Assuming question is:
3(0)= -2x+9
and we have to solve for x:
0 = -2x + 9
We take x to one side, so it becomes:
2x = 9
Now we divide by 2 on both sides:
2x/2 = 9/2
x = 9/2
The correct answer is:
7.2m questions
9.6m answers