SOLUTION: A rectangle is 5cm longer than it is wide. It's perimeter is 18cm. Solve the equation to find the width of the rectangle.

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Question 913414: A rectangle is 5cm longer than it is wide. It's perimeter is 18cm. Solve the equation to find the width of the rectangle.
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

     .

2L + 2w = 18cm

0r

L + w = 9cm

(w+5cm) + w = 9cm

2w = 4cm

w = 2cm  and L = 7cm 2%2B5

And...checking

L + w = 9cm