SOLUTION: the width of a rectangle is 9x and the length is 3x + 11 solve for x then find the perimeter.

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Question 552684: the width of a rectangle is 9x and the length is 3x + 11 solve for x then find the perimeter.
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
P = 2(L+W) Substitute L = 3x+11 and W = 9x.
P = 2(3x+11+9x) Simplify.
P = 2(12x+11)
P = 24x+22
You can't find the perimeter (P) until you have the value of x.