Elementary Algebra

Published by Cengage Learning
ISBN 10: 1285194055
ISBN 13: 978-1-28519-405-9

Chapter 3 - Equations and Problem Solving - 3.1 - Solving First-Degree Equations - Problem Set 3.1: 80

Answer

$l=\dfrac{A}{w}$

Work Step by Step

Using the properties of equality, the given equation, $ A=lw ,$ is equivalent to \begin{array}{l}\require{cancel} \dfrac{A}{w}=l \\\\ l=\dfrac{A}{w} .\end{array}
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