The perimeter of a rectangle is 43 inches more than the length of a rectangle. The width is 13 inches. Find the length of the rectangle.
x = length of the rectangle
x + 43 = perimeter of the rectangle {the perimeter is 43 more than the length} Perimeter of a rectangle = 2(width) + 2(length) x + 43 = 2(13) + 2x {substituted length, width, and perimeter into perimeter formula} x + 43 = 26 + 2x {multiplied 2 by 13} x = 17 {subtracted x and 26 from each side} length = 17 inches Ask Algebra House
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