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26-03-2017
Mathematics

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Perimeter rectangle of 146 units need the length. Width is 4x+3 and length is 3x how would I put that together

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26-03-2017

P=2(L+W)and P=146, W=4x+3, and L=3x so

146=2(4x+3+3x)

73=7x+3

70=7x

x=10

W=4x+3=43

L=3x=30

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