Answer:
12
Step-by-step explanation:
Distribute the negative which would get your 3x + 6 -3x + 6. The 3x would cancel out and you would add 6+6 = 12
Answer:
28
Step-by-step explanation:
-2+9 (4)=7(4)=28
Answer:
40
Step-by-step explanation:
the awnser is 40