Respuesta :

A  = 2(L + W)
Divide both sides by 2.
A / 2 = L + W
A / 2 - L  =  W

W = A/2 - L


TSO
[tex]A = 2(L+W)\\\frac{A}{2}= l + W \\W = \frac{A}{2} - l[/tex]

I hope that helps :)

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