Respuesta :

L = [tex]\frac{P}{2}[/tex] - W

P = 2L + 2W = 2(L + W) → ( take out common factor of 2)

divide both sides by 2

[tex]\frac{P}{2}[/tex] = L + W

subtract W from both sides

[tex]\frac{P}{2}[/tex] - W = L


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