4x3=94x-3=9

1
Add 33 to both sides.
4x=9+34x=9+3

2
Simplify  9+39+3  to  1212.
4x=124x=12

3
Divide both sides by 44.
x=124x=\frac{12}{4}

4
Simplify  124\frac{12}{4}  to  33.
x=3x=3

Done

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