Answer:
x=16
Step-by-step explanation:
1. Simplify 9/12 to 3/4.
2. Multiply both sides by x.
3. Simplify 3/4x to 3x/4
4. Multiply both sides by 4.
5. 12x4=28
6. Divide both sides by 3.
7. Simplify 48/3 to 16.
