SOLUTION: The perimeter of a rectangle is 50, if the length is 5 more than three times it's width, what is the width?

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Question 203672: The perimeter of a rectangle is 50, if the length is 5 more than three times it's width, what is the width?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
let x = width =5
let 3x+5 = length =20
2x+2(3x+5)=50
2x+6x+10=50
8x=40
x=5