SOLUTION: What is the width of rectangle (w=3x-7) (l=2x+3) if the perimeter is 132 cm? I have the answer but not sure how to work the problem... Thank you.

Question 718415: What is the width of rectangle (w=3x-7) (l=2x+3) if the perimeter is 132 cm?
I have the answer but not sure how to work the problem... Thank you.
Answer by lynnlo(4176) (Show Source): You can put this solution on YOUR website!
FINDING THE WIDTH OF A RECTANGLE,WITH THE GIVEN PERIMETER
P IS PERIMETER
L IS LENGTH
W IS WIDTH
P=2L+2W
P=2(L+W)
P/2=L+W
OK, NOW IF THE PERIMETER IS GIVEN YOU GOT ONE SIDE OF THE
MEASURE LENGTH(THEN YOU CAN FIND THE MEASURE LENGTH OF THE OTHER SIDE
;;;;;;;IF YOU KNOW THE MEASURE LENGTH THEN THE MEASURE LENGTH OF
W(WIDTH) IS P/2-L=W AND VICE VERSA
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