SOLUTION: The length of a rectangle is l 1 inches, and its width is 4 inches less than three times its length. What is the perimeter of the rectangle in inches?

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Question 780463: The length of a rectangle is l 1 inches, and its width is 4 inches less than three times its length. What is the perimeter of the rectangle in inches?
Answer by solver91311(24713) About Me  (Show Source):
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Length:

Width:

Perimeter:

Make the substitution of for and then collect like terms.

John

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