SOLUTION: A rectangle has sides of 3x – 4 and 7x + 10. Find the expression that represents its perimeter.

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Question 31394: A rectangle has sides of 3x – 4 and 7x + 10. Find the expression that represents its perimeter.
Answer by venugopalramana(3286) About Me  (Show Source):
You can put this solution on YOUR website!
L=3X-4
B=7X+10
PERIMETER=P=2*(L+B)=2(3X-4+7X+10)=2(10X+6)=20X+12
P=20X+12