Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 9 - Inequalities and Problem Solving - 9.1 Inequalities and Applications - 9.1 Exercise Set - Page 583: 61


$$r=\frac{b}{a+c};\quad \:a\ne \:-c$$

Work Step by Step

Solving the equation by using the rules of Algebra to isolate the given variable, we obtain: $$ ar+cr=b\\ r\left(a+c\right)=b\\ r=\frac{b}{a+c};\quad \:a\ne \:-c$$
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