Помогите срочно !!!!! 12 - 3 x = 3

Question

Помогите срочно !!!!!
12 - 3 x = 3

Answer 1

1) -3x = 3 - 12
    -3x = -9
       x = -9/(-3)
       x = 3

Answer 2

12 - 3х = 3.
12 - 3 = 3х.
9 = 3х.
х = 3.