SOLUTION: The length of a rectangle is three less than twice the width. If the perimeter of the recatangle is 84​ meters, what are the length and​ width?

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Question 1095647: The length of a rectangle is three less than twice the width. If the perimeter of the recatangle is 84​ meters, what are the length and​ width?
Answer by Alan3354(69443) About Me  (Show Source):
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The length of a rectangle is three less than twice the width. If the perimeter of the recatangle is 84 meters, what are the length and width?
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P = 2L + 2W = 84
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L + W = 42 --- Eqn A
L = 2W - 3
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Sub for L in eqn A