SOLUTION: The formula for the permimeter of a rectangle is P=21+2W solve for W

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Question 31590: The formula for the permimeter of a rectangle is
P=21+2W solve for W
Answer by Cintchr(481) About Me  (Show Source):
You can put this solution on YOUR website!
+P=2L%2B2W+ factor out a 2
+P=2%28L%2BW%29+ Divide by 2
+P%2F2=L%2BW+ Subtract L
+%28P%2F2%29-L=W+ Done