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 2 - Equations, Inequalities, and Problem Solving - 2.3 Formulas - 2.3 Exercise Set: 52

Answer

$x=\dfrac{S}{r+s}$

Work Step by Step

Using the properties of equality, in terms of $ x $, the given equation, $ S=rx+sx $, is equivalent to \begin{array}{l} S=x(r+s) \\\\ \dfrac{S}{r+s}=x \\\\ x=\dfrac{S}{r+s} .\end{array}
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