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20-10-2016
Mathematics

contestada

Solve the equation P=2l+2w for the variable w.

Respuesta :

20-10-2016

p=2L+2w for w
.
p = perimeter of a rectangle
p = 2*Length + 2*Width
.
P = 2L + 2W
.
subtract 2L from both sides
.

P -2l = 2W
.
2W = P - 2L
.
divide both sides by 2
.
W = P/2 - L
.
Done.

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