Algebra 2 Common Core

Published by Prentice Hall
ISBN 10: 0133186024
ISBN 13: 978-0-13318-602-4

Chapter 3 - Linear Systems - Get Ready! - Page 131: 5



Work Step by Step

We isolate y with its coefficient by subtract 2x from both sides. We have $2x-4y=10$ is $-4y=-2x+10$. Now, we divide -4 from both sides to get y by itself. $\frac{-4y}{-4}=\frac{-2x+10}{-4}$ equals $y=\frac{1}{2}x-\frac{5}{2}$.
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