Solve for x

(1/5 )(x-8) = x-16       multiply both sides by 5 to clear the fraction on the left

(x - 8)  =  5 (x - 16)    simplify the right side

x - 8  = 5x - 80         add 80 to both sides, subtract x from both sides

72  = 4x                  divide both sides by 4

18  = x