The length of a rectangle is 6 inches longer than its width. The perimeter of the rectangle is 28 inches. If x represents the width of the rectangle in inches, which equation can be used to find its value? x + 6 + 2x = 28 6x + 6x + x + x = 28 2(x + 6) = 28 2(x + 6) + 2x = 28
