Find the length & breadth of the rectangle is 72m it's perimeter =5x+4 is length x-4 is breadth
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perimeter= 2(l+b)
5x+4=2(x-4+b)
5x+4=2x-8+2b
5x-2x=
5x+4=2(x-4+b)
5x+4=2x-8+2b
5x-2x=
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