Question

"one-third of a number is 12 less than the number itself"

translate as an equation not solved ​

Answer 1

1/3 n = n - 12 Cross multiply

n = 3(n - 12)

n = 3n -36

2n = 36

n = 36/2

n = 18

Check:

1/3 (18) = 18 - 12

6 = 6

Hope this helps