Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 3 - Section 3.3 - Solving Linear Equations in One Variable - Exercise Set: 37

Answer

The solution is 9

Work Step by Step

8y-13y=-20-25 Simplify -5y =-45 Divide both sides by -5 $\frac{-5y}{-5}$ =$\frac{-45}{-5}$ y=9 The solution is 9 Check 8y-13y=-20-25 8$\times$9 -13$\times$9=-20-25 = -45 72 -117 =-45 -45=45
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