3x6=63x-6=6

1
Add 66 to both sides.
3x=6+63x=6+6

2
Simplify  6+66+6  to  1212.
3x=123x=12

3
Divide both sides by 33.
x=123x=\frac{12}{3}

4
Simplify  123\frac{12}{3}  to  44.
x=4x=4

Done

Check Answer ▼
How can we make this solution more helpful?