There are 15 animals in a barn. But … Understand the Basic Concepts of Algebra I, II, Geometry, Statistics, and Trigonometry. MATRICES AND LINEAR EQUATIONS 1 Chapter 1. 1) y = 6x − 11 −2x − 3y = −7 2) 2x − 3y = −1 y = x − 1 3) y = −3x + 5 5x − 4y = −3 4) −3x − 3y = 3 y = −5x − 17 5) y = −2 4x − 3y = 18 6) y = 5x − 7 −3x − 2y = −12 7) −4x + y = 6 … Word Problems Worksheet 6 PDF View Answers. You discover a store that has all jeans for $25 and all dresses for$50. Answers may vary v.1. These free systems of equations worksheets will help you practice solving real-life systems of equations using the “substitution” method. The order of a diﬀerential equation is the highest order derivative occurring. The exercises can also be solved using other algebraic methods if you choose. Solving Equations and Inequalities with Word Problems This includes 12 Index cards that you are able to cut out and distribute. READ the problem carefully until you understand what is given and what is to be found. Look at your graph and answer the following questions : 1) After how many hours will the temperatures be the same? Non-Linear Equations Application Problems; Systems of Non-Linear Equations (Note that solving trig non-linear equations can be found here). Algebra 1 Worksheets. Find the numbers. Also includes: - TE w/answers - Blank Cards, so the students are able to create new w These animals are horses and chickens. I have used this method when I have been asked for a couple of numbers and I have no idea what the numbers are. ���#�.��gJ��l/p�Ƹ�;��W1�s��@38T�yl�-66%�,���F����Q�b�Y[Z�ڀ' �'����;:X�yx�Vh�A$�m������{�E�ȹ�d&o g�H~����,mEN�(N^�%zy�:Tʖ���k�U���oaP��4lQ�T�� ���bg��?����z=��� ���S�8��|RFy��:�d�v�x����O�!N�:���f�@�-%#���D�������x]���1�r�w��H�W�e2�K�;Q,Rd�-�0��,$�>Q&��&�F��/-4��x�k? Solving systems of equations word problems worksheet For all problems, define variables, write the system of equations and solve for all variables. The school took in $126 Word Problems Using Systems of Equations 34.$14.00 ISBN 978-0-9754753-6-2 PDF Solve systems of equation with one-step elimination (e.g., x-values or y-values cancel each other out). ARITHMETIC OF MATRICES9 2.1. Graphing is the first way we will learn to solve a system of equations. PROBLEM-SOLVING MINDSET A Classroom Moment August 2016 BY JAMES TANTON WWW.MAA.ORG/CI Many Algebra II curricula have a unit on solving systems of linear equations via algebraic methods. set of two (or more) equations which have two (or more) variables Printable PDF & Digital Versions are included in this distance learning ready activity which consists of 30 cards that will strengthen students' skills in matching a system of linear equations to a word problem. Math 10 - Apr 30.pdf (1316k) Carolyn Nickelo, Apr 30, 2018, 11:28 AM. A large pizza at Palanzio’s Pizzeria costs $6.80 plus$0.90 for each topping. Then, 7x + 6y = 3800 -----(1) 3x + 5y = 1750 -----(2) Solve (1) for y. Historical Note: This method was popularized by the great mathematician Carl Gauss, but the Chinese were using it as early as 200 BC. systems to high school algebra students. Study Guide. A system of two linear equations in two variables is of the form += + = Answers to Odd-Numbered Exercises8 Chapter 2. %�쏢 Word Problems One-step equation word problems Two-step equation word problems Proportion word problems Exercises 4 1.3. Math-Exercises.com - Math exercises with correct answers. Systems of Equations Word Problem Worksheet:Students will solve 7 story problems involving systems of equations. Answers to Odd-Numbered Exercises14 Chapter 3. In the case of two variables, these systems can be thought of as lines drawn in two-dimensional space. He sells nachos and sodas. We will use the following table to help us solve mixture problems: Amount Part Total Item1 Item2 Final The ﬁrst column is for the amount of each item we have. You’re going to the mall with your friends and you have $200 to spend from your recent birthday money. Systems of Equations; Problems; Solving Systems of Linear Equations by Substitution; Problems; Solving Systems of Linear Equations by Addition/Subtraction; Problems; Terms; Writing Help. If only one equation is true, then we have the wrong answer and must try again. Graphing a System of Equations Algebra 7.1 Given two equations, the solution is the point that satisfies both. endstream endobj startxref SYSTEMS OF LINEAR EQUATIONS3 1.1. Math 10 - May 07.pdf (1881k) Carolyn Nickelo, May 9, 2018, 6:22 AM. In the following practice questions, you’re given the system of equations, and you have to find the value of the variables x and y. For example, 3x + 2y = 5 and 3x + 2y = 6 have no solution because 3x + 2y cannot simultaneously be 5 and 6 . STATE THE ANSWER to the problem. Subjects: Math, Algebra, Algebra 2. When you have decided on the problem and answer to place on each card, write a problem at the top (portrait orientation) of the Study Guide and Practice Test(pp. Complete answers and explanations help you identify weaknesses and attain maximum benefits out of the practice test. He then buys another bag of chips and two more boxes of pretzels for$3.09. Your average speed is 10 miles an hour faster that their Solving systems of equations word problems worksheet For all problems, define variables, write the system of equations and solve for all variables. 6.4 Logarithmic Equations and Inequalities - You have learned many different strategies for solving systems of equations! Once they realize they can solve this puzzle, they see that they can solve a linear system of equations! View Homework Help - Systems of Equations Problems and Answers.pdf from MATH 125 at American Military University. Students will write identify the variable, write the system of equations, and solve the systems. endstream endobj 256 0 obj <>stream 260 0 obj <>/Filter/FlateDecode/ID[<5C202F52A6C4C14D8A84363D1D261032>]/Index[252 19]/Info 251 0 R/Length 60/Prev 37488/Root 253 0 R/Size 271/Type/XRef/W[1 2 1]>>stream <> J a CAVlolr GrUiqg 9het Dsg Or ye wsdegrGvke Ddz.J H OMla Adke T LwqiUtphO eIGnfpi Yn0i 5t ZeX 4Avl QgRe2bIr SaR f1 W.y Worksheet by Kuta Software LLC Michael buys two bags of chips and three boxes of pretzels for $5.13. a)$\begin{array}{|l} x + y = 5 \\ 2x - y = 7; \end{array}$This section covers: Systems of Non-Linear Equations; Non-Linear Equations Application Problems; Systems of Non-Linear Equations (Note that solving trig non-linear equations can be found here).. We learned how to solve linear equations here in the Systems of Linear Equations and Word Problems Section.Sometimes we need solve systems of non-linear equations, such as those we see in conics. Background 9 2.2. Outcome (learning objective) Students will accurately solve systems of equations using elimination/addition method. Many systems of equations word problem questions are easy to confuse with other types of problems, like single variable equations or equations that require you to find alternate expressions. %PDF-1.4 Systems of Equations Word Problems Date_____ Period____ 1) The school that Lisa goes to is selling tickets to the annual talent show. A diﬀerential equation (de) is an equation involving a function and its deriva-tives. If you can translate the application into two linear equations with two variables, then you have a system of equations that you can solve to find the solution. You will need to create and solve a system of equations to represent each situation. The correct answer is 1. Lesson 17 Solve Problems Using Systems of Equations175 Name: of Equations Lesson 17 Solve Problems Using Systems Prerequisite: Use Substitution to Solve Systems of Equations Study the example problem showing how to use substitution to solve a system of equations. Background 3 1.2. Practice questions. Solve systems of two linear equations in two variables algebraically, and estimate solutions by graphing the equations. Systems of linear equations are a common and applicable subset of systems of equations. This has already been done for you in the series of lessons on systems of equations. 3. Find them out by checking. Systems of Equations - Problems & Answers. Ordinary Diﬀerential Equations Igor Yanovsky, 2005 2 Disclaimer: This handbook is intended to assist graduate students with qualifying examination preparation. Diﬀerential equations are called partial diﬀerential equations (pde) or or-dinary diﬀerential equations (ode) according to whether or not they contain partial derivatives. Introduction and Summary; Solving by Addition and Subtraction; Problems; ... Summary Problems Summary Problems . Systems of Linear Equations: Word Problems Jefferson Davis Learning Center, Sandra Peterson Use systems of linear equations to solve each word problem. �ے�%#��y��X�����5�6��]L%��-�I��n�b��_1'� s��D��A�F Problem 1 Two of the following systems of equations have solution (1;3). If you're seeing this message, it means we're having trouble loading external resources on our website. Solve Systems of Equations: Practice and Review (CCSS.8.EE.C.8b.) B. Graphing Linear Equations Word Problems Worksheet Answers Pdf. As you can see, systems of equations are some of the most versatile problems when it comes to methods for solving them (though the problems themselves are not terribly varied). Write a system of linear equations representing a value problem. Systems of Linear Equations: Applications and Problem Solving. Systems of Equations - Mixture Problems One application of systems of equations are mixture problems. This is what we call a system, since we have to solve for more than one variable – we have to solve for 2 here. ©p y2t0 U1R6W IK Ou1tWaN 7S qo Nfhtow za MrHep rL cL JC E.Q O dA JlJl9 grCirgEh 0tes a kr yecs ne QrSvCe odk. a z 9AmltlU Or Gi 5gUh vtIs k Hrfe bs OeWrGvie KdP.r A UMxa3d0e 3 owYigt lh 9 aIWnafYi RnSi YtMe8 lAnlngNe8brYaM M1Y.b Worksheet by Kuta Software LLC H��WKs�8��W���e��ޚ�-Ǚ�f7UQ���,�2鱤d2�~��%�N� �~|���z1��zڭ��r'����j��˕����}�_�~��%n�J2�⸨D�WQZe���(. Solution : Let "x" be the cost of each bat. If she bought a total of 7 then how many of each kind did she buy? If all lines converge to a common point, the system is said to be consistent and has a … 2. set-up equations using the variables from step 1 3. solve using substitution or elimination; it makes no difference which method you use Just as in the previous lesson, all of these application problems should result in a system of equations with two equations and two variables: { + = + = The equations will usually be linear, but not always. Printable in convenient PDF format. Solve systems of equation with one-step elimination (e.g., x-values or y-values cancel each other out). These free systems of equations worksheets will help you practice solving real-life systems of equations using the “substitution” method. Solving systems of equations is a very fast way to find answers to your problems. 1 Explain why you substitute x 21 4 for y in the fi rst All worksheets created with Infinite Pre-Algebra. 5) Check each equation … 1) −21 x − 3y = 7 7x + y = 3 2) 8x + 4y = −24 5x + y = −18 3) x − 2y = 10 8x + 2y = 8 4) x + 3y = −7 8x + 7y = −5 Solve each system by elimination. Systems Of Linear Equations Word Problems Worksheet Answer Key Pdf. Please be aware, however, that the handbook might contain, and almost certainly contains, typos as well as incorrect or inaccurate solutions. You will need to create and solve a system of equations to represent each situation. x��]�r�}�Ẉ��/y�:�f�ޭ����lR)�"�K�l���0�G#Z#�J�].���A��>݃�5�0���o�:^��i�>. h�bbdb� It’s easier to put in $$j$$ and $$d$$ so we can remember what they stand for when we get the answers. SUBSTITUTION METHOD WORD PROBLEMS AND ANSWERS. If only one equation is true, then we have the wrong answer and must try again. ©2 r2C0 K1C22 RKNuftXa 8 MSyo Jf3t cwJadrqe 7 XLOLkCt. 1. h��VmO�0�+��iC���B�nՐF�B��J�� �������@�&m� �lߛ���O#��I#�p0�Lj\*���Q���h�l��2),x�����r��̎{��rQ� ���_�����Ű���i����OU=����2�Pu�=�T֟��m>k���?/��5dcB Systems of equations are a very useful tool for modeling real-life situations and answering questions about them. Some problems are best solved using substitution and some with elimination. Find the cost if each bat and each ball. Play this game to review Algebra I. In the following practice questions, you’re given the system of equations, and you have to find the value of the variables x and y. Here is a set of practice problems to accompany the Nonlinear Systems section of the Systems of Equations chapter of the notes for Paul Dawkins Algebra course at Lamar University. v.1. 1. You can find a lot of information just by using Solving Systems of Equations by Elimination. %%EOF 5 0 obj Sometimes we need solve systems of non-linear equations, such as those we see in conics. Here are a set of practice problems for the Solving Equations and Inequalities chapter of the Algebra notes. (qNS'���g߮�����la�b�y��q�;�5��?��X*�G,�#R6�ǋ��-�Y��0F��f�l�&"��$bC���G�h$��$bƈ�l(b9�(bE��g���o�"v��� x5�1�2��C..G6>,�XF"M�y�����E;b�l~�>b�Gc��$b!� �9G@�F6.��Bb�b;��ۢ�����%� Practice questions. WRITE A SYSTEM OF EQUATIONS that relates the unknowns. Your aunt and uncle have been visiting at your home. Due to the fact that these syst . How to Cite This SparkNote ; Summary Problems 1 Summary Problems 1. Systems of Three Equations Math . A system of two linear equations in two variables is of the form += + = ��}y·E�A��L_��"V���?�Ek.�J����6�gBp/r�A�oe�r �6�qeUыca2��@�h���ǻ�W#L���Mᜃ!ʆ!. If you're seeing this message, it means we're having trouble loading external resources on our website. Systems of Equations Word Problem Worksheet:Students will solve 7 story problems involving systems of equations. (��w�$�^��. Learn Problem Solving Techniques. Word Problems Worksheet 1 RTF Word Problems Worksheet 1 PDF View Answers . Problem : Which ordered pair(s) in the set {(7, 5),(5, 7),(13, 11),(- 2, 17)} satisfy the following system of equations? You happen to know that they drive slowly, so you get in your car and drive to catch up with them. Graphing Linear Equations Word Problems Worksheet Answers. *Answer key i Systems of Equations Word Problems Date_____ Period____ 1) Kristin spent $131 on shirts. Word Problems Worksheet 1 – This 6 problem algebra worksheet will help you practice creating and solving systems of equations to represent real-life situations. Mixture problems are ones where two diﬀerent solutions are mixed together resulting in a new ﬁnal solution. Word Problems Worksheet 6 PDF View Answers. (|&5y����F��x�����mQ߈���ŋ���(v"���b�2����r���X�y+�a�n�_˕��Xi=MYv����|����O&�Y��w� � �O����Z睢�Η���R���%���k�ӮaĬ�����Kϗ+E�?��?\z~�Ԉ�����;�Ph�*��f��'KG,Nf�����Z��w\��ظ�]�t�:È�A�d��h��˰$��Ei�yDE�PδP��Sm����_�vY�=m�g(�.�Y z������>�#��\5����]p%I��;�F���z� *t�����o������d�Q^T�-�_qó/��H�W�y{��{����.��2;�x����k�Ϭ��h��Tf���{��j��mEiXC�eJ4+wǅ��dKPC����g4��Bt��Y��S���IGz}ݙy���Xӛ�S�םZٝ���#�)O}�f$��,��v�,�. Problems 7 1.4. Based on this system of equations, what is the value of 7x + 3y = 4 3x + 2y = 2; Based on this system of equations, what is the value of x + y? Fancy shirts cost$28 and plain shirts cost $15. 2. On the first day of ticket sales the school sold 4 senior citizen tickets and 5 student tickets for a total of$102. You really, really want to take home 6items of clothing because you “need” that many new things. \�s��W � �����J^� �p�iX�*��VÚ5k�xV/P�7\i����(\C���0ݲX���#��a�����k���Q�5hճ�xX|�*�e Q([����̾EX'e�|�����+k��[��,f-��wxx���~2��u��W��SY��'���4��7e�j@&��Y��MY����'%�r If you’d like a pdf document containing the solutions the download tab above contains links to pdf’s containing the solutions for the full book, chapter and section. There are 15 systems and 15 matching word problems. h�b�Hf��|�cfa�hba��Qpi&k�t��F��{:߻98:@I�Fi6 � �|��o�p@w�P�^��0Î�@h-W>�J �+a@��T ��� 35. 2 fancy shirts and 5 plain shirts 2) There are 13 animals in the barn. stream Five minutes after they drive away, you realize that they forgot their luggage. WR@��,9�C[� �O1��j0�/e�zw��P�d҆�w��Τ#W[) ��Wd�7���M����M�����J¦nJ����N�����yWҟ�M�'�鼹)����JR�g�-�g�i�xv�V7�p�lp[�+��Է��ɾ��(c��xntY���l8ճqvQ�g�:��u�h{�� �^&����|.��*;��n��AsWQE���Y �*8�#�X(�6j'�K) ^��W���Q�_���r�OYG+-���^���u��]�\�+j�Ǐ��' ��,�[� @Fdc�sN Vt�����-�~4���A�})"7OBE� j Worksheet by Kuta Software LLC Though you can solve many problems on the SAT in a variety of ways, most are not quite so flexible, so take heart that you have many choices for how to proceed for your systems of equations questions. ď. Ċ. 1. Which system of equations represents the situation? Solving Systems of Linear Equations Elimination (Addition) Student/Class Goal Students thinking about continuing their academic studies in a post-secondary institution will need to know and be able to do problems on solving systems of equations. �qwl�'j'R� 8YG���7EZ�@��6$Eᘕ����F:]��#J�yNB����մW*x m�S~����z� ~1��!�>���u��tD=�Qҳ�� � ԟ$��M��GY����O1����7�6�x����V�N)0��1�sQ!6�~���.l�P��f � �p�&X�M}R�yd�K���+7�����������;��Δj�WJ%�k�$�p�Qj�O(�{�BGt?ɩ��wOr7NM_�2n�S���9� �v� �Cy�*7Z�(D�n|���R�9՗�k3���֜j~�Ss���Sf��S��x�S���������Nu�x�R�I(���R/$�o�����uOHO�N�����ڙa�W�}e�W�}e؝�� �q@5 21 Posts Related to Graphing Linear Equations Word Problems Worksheet Answer Key. Find the cost of each bag of chips and each box of pretzels. ASSIGN VARIABLES to represent the unknown values, using diagrams or tables as needed. By doing a quadratic formula substitution I was able to find the answer. Now we have the 2 equations as shown below. 5 and 8 3) Flying to Kampala with a tailwind a plane … Answers may vary. There are 44 legs in all. Ordinary Diﬀerential Equations: Graduate Level Problems and Solutions Igor Yanovsky 1. Based on this system of equations, what is the value of 7x + 3y = 4 3x + 2y = 2; Based on this system of equations, what is the value of x + y? Compose a uniform motion problem that can be solved with a system of equations of your own and share it on the discussion board; Answer. Graphing Linear Equations Word Problems Worksheet . Wouldn’t it be cle… Mv���sɖ�ZGt6�* • Solve real-world problems using systems of linear equations in three variables. Notice that the $$j$$ variable is just like the $$x$$ variable and the $$d$$ variable is just like the $$y$$. 145–149) 120.5 0.5 Standardized Test Practice(pp. Geometry Worksheets. We learned how to solve linear equations here in the Systems of Linear Equations and Word Problems Section. Later, she buys 3 bats and 5 balls for $1750.$[A�7 ��HpV���@��;��w������b$���x�@� � � 4 and 8 2) The difference of two numbers is 3. ď. Ċ. But let’s say we have the following situation. Linear Equations Word Problems Worksheet Answer Key. Solving Systems of Equations Real World Problems. @���v��ш˟��͓�\пw�Ӻѻuۈ���Z�.���b���e3�\,b!��n�f%K1��/B�(NA2�#� ͢,���M�t��< L(e��p���q��Y? @���8�U���� �K�\���(^�V?��B���8\�"Ԝ�P�?�@cg�\Xp��x-X|�'sp �V/��p���O. Students will write identify the variable, write the system of equations, and solve the systems. Their sum is 13. Some are chickens and some are pigs. To solve real-life problems, such as finding the number of athletes who placed first, second, and third in a track meet in Ex. 252 0 obj <> endobj Compose a mixture problem that can be solved with a system of equations of your own and share it on the discussion board. 0 Sometimes systems of equations can be used to model word problems. u S wMJamdGe W xw Pi 1t mhL Iin 1fpi1n2iUtTe e 6ANlZgWeZbHrxa o 31T. You will use the “elimination” method to eliminate variables from standard form equations. Systems of 2 linear equations - problems with solutions Test. 270 0 obj <>stream Now that we have learned three different methods for solving systems of equations, we can apply these methods to solving real-life situations described in word problems. Part 1. Answers and explanations. ©P 280S1 i2 G GKquht laY oS Wo1fwtZwGalr Uen SLCLWCr. Answers and explanations. On this page you can read or download systems of inequalities word problems answers by gina wilson in PDF format. “Systems of equations” just means that we are dealing with more than one equation and variable. Problems and Solutions for Partial Di erential Equations by Willi-Hans Steeb International School for Scienti c Computing at University of Johannesburg, South Africa Yorick Hardy Department of Mathematical Sciences at University of South Africa, South Africa. p1�q=D��c�FR���2]EIR��M��,|[סL�6��Af����Q�U��!|��GGK��A�6p씐5٫�Lq�ޣ �����Q�Il�9���S0̂]� �0x@SiJ�w0)h�ϽvR��mX$�q�T��n��#���Nց¡�}hO_�!���P�����%����A��Q^�|�@���������7 ���#�qK�YtD��YT������� Write down what each variable represents. The directions are from TAKS so do all three (variables, equations and solve) no matter what is asked in the problem. Section 7-1 : Linear Systems with Two Variables. So far, we’ve basically just played around with the equation for a line, which is . is a great way to practice, review and assess students' understanding of how to solve systems of equations (CCSS.8.EE.C.b.). Use linear systems in three variables to model real-life situations, such as a high school swimming meet in Example 4. Some problems are best solved using substitution and some with elimination. *Answer key i Exercises 10 2.3. Diﬀerential equations are called partial diﬀerential equations (pde) or or-dinary diﬀerential equations (ode) according to whether or not they contain partial derivatives. ©8 HKeuhtmac uSWoofDtOwSaFrKej RLQLPCC.3 z hAHl5lW 2rZiigRhct0s7 drUeAsqeJryv3eTdA.k p qM4a0dTeD nweiKtkh1 RICnDfbibnji etoeK JAClWgGefb arkaC n17.8-3-Worksheet by Kuta Software LLC Answers to Practice: Solving Systems of Equations (3 Different Methods) (ID: 1) A large pizza at Palanzio’s Pizzeria costs $6.80 plus$0.90 for each topping. Nachos cost $1.50 each and sodas cost$0.50 each. Test and Worksheet Generators for Math Teachers. One must, of course, first develop motivation and context for this work (and a good curriculum will subtly establish a need and a desire for wanting to solve systems of equations). On the first day of ticket sales the school sold 12 adult tickets and 3 student tickets for a total of $129. Matrix math exercises & matrices math problems for students of all ages. Practice: Solving Systems of Equations (3 Different Methods) Date_____ Solve each system by substitution. Wow! 'g����b4%&+ SOLVE the system of equations. equations system of three linear GOAL 1 Solve systems of linear equations in three variables. Grades: 8 th, 9 th, 10 th, 11 th. endstream endobj 253 0 obj <>/Metadata 22 0 R/PageLayout/OneColumn/Pages 250 0 R/StructTreeRoot 31 0 R/Type/Catalog>> endobj 254 0 obj <>/Font<>>>/Rotate 0/StructParents 0/Type/Page>> endobj 255 0 obj <>stream 6y = 3800 - 7x . This is a method for solving systems of linear equations. _____ 3) Write the solution to this problem as an ordered pair. The directions are from TAKS so do all three (variables, equations and solve) no matter what is asked in the problem. Let’s jump straight to an example. Steps Given a square system (i.e., a system of n linear equations in n unknowns for some Problems 12 2.4. The correct answer is 1. Solve word problems by modeling them into a system of equations and solving it. For problems 1 – 3 use the Method of Substitution to find the solution to the given system or to determine if the system … Systems of Equations Word Problems Date_____ Period____ 1) Find the value of two numbers if their sum is 12 and their difference is 4. %PDF-1.5 %���� At the end of the game, David made a total of$78.50 and sold a total of 87 nachos and sodas combined. 1. Which system of equations … �yY�*�3' Then solve problems 1–7. �3bSҩ�_��/���+�%k1Ҽ��E�Q�x��؎"ъ�v##(�F��hՇ�b5�u-�X������_J"�t9n��#�j;�Ě(6�K 6#=��\֍*K�E�F돀�1B����$b?�� V�x|Z�y�{�fT`EۑWc v#v,Z�f��z3ʉ�S� ����i�,��]�S����d�a�5�e���,^���9B��B���ʀ}�b��$3�yY���u-�41������2��x�[֝9�#qF\v��p�8'���"�C�#�*L&_|�zㆨ̅^��kAl�8x�&HL0�þB�j���+\$��q� _____ 2) What is this temperature? When dealing with a system of equations, we are looking for the values that make both equations true. Example: Find the solution to the following system of equations by graphing them. Matrix equations. Let "y" be the cost of each ball. When dealing with a system of equations, we are looking for the values that make both equations true. cards, do some planning to make sure each problem and its answer will be on different cards. Example: The school that Matt goes to is selling tickets to a choral performance. If you're behind a web filter, please make sure that the domains *.kastatic.org and *.kasandbox.org are unblocked.