Помогите решить пример срочно!!!
1/2x + 1/6x = x-3
4/6x-x= -3
-2/6x= -3
3 * 6/2=x
X=9
1/2x + 1/6x = x - 3 |×6
3x + x = 6x - 18
4x = 6x - 18
4x - 6x = - 18
-2x = - 18
X = 9