SOLUTION: If the formula for the perimeter of a rectangle is P = 2l + 2w, then w can be expressed as?

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Question 253936: If the formula for the perimeter of a rectangle is P = 2l + 2w, then w can be expressed as?
Found 2 solutions by checkley77, richwmiller:
Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
P = 2l + 2w
2w=P-2l
w=(P-21)/2 ans.

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
p=2L+2W
(p-2L)/2=W