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: 62



Work Step by Step

We are given the equation $\frac{z}{9}=-3$. First, we must rewrite the left side as $\frac{1}{9}z$. Next, multiply both sides by 9. $(\frac{1}{9}z\times9)=z=-3\times9=-27$ Therefore, $z=-27$.
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