SOLUTION: A rectangle has a length that measures 4 inches longer than its width. if the perimeter is 20 inches, what is its length

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Question 1084145: A rectangle has a length that measures 4 inches longer than its width. if the perimeter is 20 inches, what is its length
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
2(x+4)+2x=20
2x+8+2x=20
4x=20-8
x=12/4
x=3
x+4=7