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the perimeter if a rectangle is 42 centimeters. the lenght of a rectangle can be represented by (x+4), and its width acn be represented by (2x-7). what are the dimensions of this rectangle in centimeters?

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P = 2L + 2W

42 = 2(x + 4) + 2(2x - 7)

42 = 2x + 8 + 4x - 14

48 = 6x

? = x

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