Answer:
The simplified expression is -4x and the value is -516
Step-by-step explanation:
−12x+14x−6x
Combine like terms
2x-6x
-4x
Let x =129
-4*129
-516
Answer:
3)7
Step-by-step explanation:
6+ because if you you f 1 and f 2 you can times them. by the way don’t listen to any of the I just want point