Deborah P.

asked • 11/06/15

Solve this formula for L

The formula for finding the perimeter of a rectangle is P=2L+2W

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Inactive Tutor answered • 11/06/15

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P = 2L + 2W          subtract 2W from both sides
P - 2W = 2L           divide both sides by 2
(P - 2W) / 2 = L 
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Deborah P.

I've already tried that and for some reason it won't accept my answer
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11/06/15

Deborah P.

It must be written in this format L =
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11/06/15

Inactive Tutor

Equation can be read by people from left to right and from right to left. Computers are not that smart. Enter:
L = (P - 2W)/2
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11/06/15

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