The formula for the perimeter of a rectangle can be written as P= 2(l+w). Solve the formula for the length l.

asked Feb 1, 2019 68.8k views

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Undo what is done to l. l has w added and the sum multiplied by 2, so divide by 2 and subtract w:

... l = P/2 -w

Bjlevine answered Feb 7, 2019

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