The perimeter of a rectangle is 96 inches. If the length of the rectangle is six less than five times the width, what is the length of the rectangle?
width = W
length = 5W - 6
perimeter = 2(W) + 2(5W - 6) = 96
2W + 10W - 12 = 96
12W = 108
W = 9
L = 5W - 6 = 39