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
21x + 6) + 2x = 28