Answer:
x = 3
Step-by-step explanation:
1. Expand.
−3x − 12 + 15 = 6 − 4x
2. Simplify −3x − 12 + 15 to −3x + 3.
−3x + 3 = 6 − 4x
3. Subtract 3 from both sides.
−3x = 6 − 4x − 3
4. Simplify 6 − 4x − 3 to −4x + 3.
−3x=−4x+3
5. Add 4x to both sides.
−3x + 4x = 3
6. Simplify -3x + 4x to x.
x = 3
