SOLUTION: the perimeter of a rectangle is 42m.the length is 9m less than two times the width. what is length and the width of the rectangle

Question 817469: the perimeter of a rectangle is 42m.the length is 9m less than two times the width. what is length and the width of the rectangle

Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
2L + 2w = 42
L = 2w - 9
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2L + 2w = 42
2(2w - 9) + 2w = 42
4w - 18 + 2w = 42
6w = 60
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w = 10
L = 11
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