what is a number that when you subtract 12 then divide the difference by 3, to get 6

Answer 1

30 - 12 =18 * 3 = 6 so the answer is 30

Answer 2

algebraic solution:

(x - 12)/3 = 6
multiply both sides by 3
x - 12 = 18
x = 18+12 = 30