M=3 you begin by plugging in 'n'. 4(8)-8 gives you 24. so, 16 x 2m=24. move the 16 over through division and you are given 24/16, which is 1.5. so, 2m=1.5. now move the 2 over through division you are given 1.5/2, giving you the final answer of 0.75 or 3/4