the area of a rectangular window is to be 143 square feet. if the length is to be 2 feet more than the width, what are the dimensions?

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The equation used is 2x+2(2+x)=143. (x=width and 2+x=length) Solved: w=34.75 l=36.75. The both add up to 143 when put into a perimeter formula ((l*w)2=p).