Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 2 - Section 2.3 - Integrated Review - Solving Linear Equations - Page 122: 9

Answer

r = 8

Work Step by Step

$\frac{r}{-4}$ = -2 $-\frac{1}{4}r$ = -2 Multiply each side by the reciprocal of the coefficient, -4: $-4(-\frac{1}{4}r)$ = -2(-4) r = 8
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