40 = -5 × First, simplify 5 × to / Your problem should look like: 40 = Second, multiply both sides by 8. / Your problem should look like: 320 = -5n Third, divide both sides by -5. / Your problem should look like: = n Fourth, simplify to / Your problem should look like: = n Fifth, simplify to 64. / Your problem should look like: -64 = n Sixth, switch sides. / Your problem should look like: n = -64