# Chapter 2 - Section 2.3 - Formulas and Problem Solving - Exercise Set: 7

W=$\frac{-2L+P}{2}$

#### Work Step by Step

Original Equation P=2L+2W Subtract 2L from both sides 2W=-2L+P Divide both sides by 2 W=$\frac{-2L+P}{2}$

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