SOLUTION: the width of a rectangle is 15 less than 3 times its length. if the perimeter is 26, what are the length and width of the rectangle

Question 931726: the width of a rectangle is 15 less than 3 times its length. if the perimeter is 26, what are the length and width of the rectangle
Answer by TimothyLamb(4379) (Show Source): You can put this solution on YOUR website!
w = 3L - 15
2L + 2w = 26
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2L + 2w = 26
2L + 2(3L - 15) = 26
2L + 6L - 30 = 26
8L = 56
L = 56/8
L = 7
w = 3L - 15
w = 3*7 - 15
w = 6
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L = 7
w = 6
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