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Please form two systems of equations from the word problem below: Annie needs a piece of cardboard with an area of 180 square centimeters. The length of the cardboard should be 7 centimeters less than 3 times the width. What are the dimensions of the piece of cardboard Annie needs?
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l = length w = width A = area = 180 = l*w The length of the cardboard should be 7 centimeters less than 3 times the width 3w -7 = l |dw:1409713687381:dw|
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