Algebra 1: Common Core (15th Edition)

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

Chapter 2 - Solving Equations - 2-5 Literal Equations and Formulas - Practice and Problem-Solving Exercises - Page 112: 16



Work Step by Step

We first isolate y by subtracting by 7x on both sides to get that $2y=4-7x$. We now divide by 2 on both sides to isolate y and get that: $y=2-7/2x$. We then plug in the different values of x: $y=2-7/2(5)=-31/2 \\\\ y=2-7/2(10)=-66/2 \\\\ y=2-7/2(15)=-101/2$
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