Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 1 - Equations and Inequalities - 1.1 Linear Equations - 1.1 Exercises: 42

Answer

$ w =\frac{P}{2} -l $

Work Step by Step

$P = 2w + 2l$ $P = 2(w+l)$ $\frac{P}{2} = w +l$ $\frac{P}{2} -l = w $ $ w =\frac{P}{2} -l $
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