Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.4 - Solving Linear Equations - Exercise Set: 14

Answer

$y=-1$

Work Step by Step

Subtract $5y$ and subtract $2$ on both sides, and then combine like terms to obtain: $-2-2=9y-5y \\ -4=4y$ Divide by 4 on both sides to obtain: $\dfrac{-4}{4}=y \\-1=y$ Check: $\begin{array}{ccc} &5(-1)-2&=&9(-1)+2 \\&-5-2 &= &-9+2 \\&-7&=&-7\end{array}$
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