Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10:
ISBN 13:

Chapter 9 - Basic Algebra - 9.6 Solving Equations - 9.6 Exercises - Page 671: 66



Work Step by Step

We are given the equation $-\frac{9}{10}b=-18$. Multiply both sides by $-\frac{10}{9}$. $(-\frac{9}{10}b\times-\frac{10}{9})=b=-18\times-\frac{10}{9}=\frac{18\times10}{9}=\frac{180}{9}=20$ Therefore, $b=20$.
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