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 - Page 382: 15



Work Step by Step

First multiply the the second equation by -2 then add the equations together -7y = -7 divide -7 by both sides plug in y=1 into one of the equations x + 5(1) = 8 subtract 5 from both sides
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