Answer
w=$\frac{P-2l}{2}$
Work Step by Step
l=$\frac{P-2w}{2}$
2l=$\frac{2(P-2w)}{2}$
2l=P-2w
2l-P=-2w
-1(2l-P)=-1(-2w)
-2l+P=2w
P-2l=2w
$\frac{P-2l}{2}$=$\frac{2w}{2}$
$\frac{P-2l}{2}$=w
w=$\frac{P-2l}{2}$
Introductory Algebra for College Students (7th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13417-805-X
ISBN 13:
978-0-13417-805-9
Chapter 2 - Test - Page 206: 10
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