Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 6 - Systems of Equations and Inequalities - 6-3 Solving Systems Using Elimination - Practice and Problem-Solving Exercises: 18



Work Step by Step

Multiply the first equation by 2 and the second by -3 then add the equations together -11y = -44 divide -11 from both sides plug in y= 4 from both sides 3x+ 2(4) = 17 subtract 8 from both sides 3x = 9 divide 3 from both sides
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