SOLUTION: P=2L+ 2W; P=28,W=5 I need this step by step please

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Question 743314: P=2L+ 2W; P=28,W=5
I need this step by step please
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
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P=2L%2B2W%7D%2C+and+if+%7B%7B%7BP=28 and W=5, then solve for L.
2L=P-2W
L=%28P-2W%29%2F2
Substitute for P and W.
L=%2828-2%2A5%29%2F2
L=14-5
L=9