SOLUTION: A rectangle has sides of 3x – 4 and 7x + 10. Find the expression that represents its perimeter. [Perimeter = 2* width + 2*length]

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Question 95692: A rectangle has sides of 3x – 4 and 7x + 10. Find the expression that represents its perimeter.
[Perimeter = 2* width + 2*length]

Answer by checkley71(8403) About Me  (Show Source):
You can put this solution on YOUR website!
SO MULTIPLY EACH SIDE BY 2 & ADD:
2(3X-4)+2(7X+10)=6X-8+14X+20=20X+12=4(5X+3) IS THE PERIMETER.