A square has sides of length x cm. The length of a rectangle is equal to the perimeter of this square. The perimeter of this rectangle is 14x cm. Find an expression for the width of this rectangle. Give your answer in terms of x.
l(s) = xl(r) = 4xp(r) = 14xP(r) = 8x + 2w = 14xw = 3x
MZ
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