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Alik [6]
3 years ago
12

A rectangle has a length of 3x + 7 and a width of 2x - 1. If the perimeter of the rectangle is 42 meters. What is the value of x

, length, and width?
Mathematics
1 answer:
Mumz [18]3 years ago
6 0
P=w+l
42=(3x+7)+(2x-1)
42=5x+6
36=5x
x=36/5

plug in x

w=3(36/5)+7
w=28.6

l=2(36/5)-1
l=13.4
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