SOLUTION: The length of a rectangle is 5 inches less than 2 times the width. the perimeter is 80 inches.. Find the length and width

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Question 883934: The length of a rectangle is 5 inches less than 2 times the width. the perimeter is 80 inches.. Find the length and width
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
L=-5+2w and 2w+2L=80, using w for width and L for length.
Those are two simultaneous equations, easily solved. Substitution with L is the most practical way to start.