Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 9 - Basic Algebra - 9.6 Solving Equations - 9.6 Exercises - Page 670: 61



Work Step by Step

We are given the equation $\frac{r}{3}=-12$. First, we must rewrite the left side as $\frac{1}{3}r$. Next, multiply both sides by 3. $(\frac{1}{3}r\times3)=r=-12\times3=-36$ Therefore, $r=-36$.
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