Basic College Mathematics (9th Edition)

Published by Pearson
ISBN 10: 0321825535
ISBN 13: 978-0-32182-553-7

Chapter 9 - Basic Algebra - 9.6 Solving Equations - 9.6 Exercises: 71

Answer

$z=-4.94$

Work Step by Step

We are given the equation $\frac{z}{-3.8}=1.3$. In order to solve, we must first rewrite the left side as $-\frac{1}{3.8}z$. Multiply both sides by -3.8. $(-\frac{1}{3.8}z\times-3.8)=z=1.3\times-3.8=-4.94$ Therefore, $z=-4.94$.
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