Introductory Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-805-X
ISBN 13: 978-0-13417-805-9

Chapter 2 - Section 2.2 - The Multiplication Property of Equality - Exercise Set - Page 130: 20



Work Step by Step

Multiply both sides of the equation by -$\frac{8}{5}$ to isolate the variable. 20=-$\frac{5}{8}$x -$\frac{5}{8}x=20$ $\frac{-5(-8)}{8(5)}$x=-$\frac{20(8)}{5}$ x=-$\frac{4(8)}{1}$ x=-32 Check the answer. -$\frac{5}{8}$(-32)=20 $\frac{5(32)}{8}$=20 $\frac{5(4)}{1}$=20 20=20
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