# Chapter 2 - Test - Page 206: 10

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

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.