Answer
$w=\dfrac{P-2l}{2}$
Work Step by Step
Subtract $2l$ on both sides of the equation to obtain:
$P-2l=2w$
Divide by $2$ on both sides of the equation to obtain:
$\dfrac{P-2l}{2}=w$
College Algebra 7th Edition
by Stewart, James; Redlin, Lothar; Watson, Saleem
Published by
Brooks Cole
ISBN 10:
1305115546
ISBN 13:
978-1-30511-554-5
Chapter P, Prerequisites - Section P.8 - Solving Basic Equations - P.8 Exercises - Page 60: 91
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