## Prealgebra (7th Edition)

Published by Pearson

# Chapter 3 - Section 3.3 - Solving Linear Equations in One Variable - Exercise Set - Page 189: 47

#### Answer

The solution is -4

#### Work Step by Step

-2y-10=5y+18 Add 10 to both sides -2y-10+10=5y+18 +10 -2y=5y+28 Subtract 5y from both sides -2y-5y=5y+28 -5y -7y =28 Divide by -7 on both sides $\frac{-7y}{-7}$=$\frac{28}{-7}$ y=-4 The solution is -4 Check -2y-10=5y+18 Replace x with -4 -2(-4)-10=5(-4)+18 8-10=-20+18 -2=-2

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