Answer:
-3a-4b+5
Step-by-step explanation:
(3a-6b+12)-(6a-2b+7)
3a-6b+12-6a+2b-7
3a-6a-6b+2b+12-7
-3a-4b+5
Multiply first equation with 2. Then add first and second, we get -x=6. X=-6 and y=-29
Answer:
9x
Step-by-step explanation:
the full answer is 9x+11=29
Answer:
no its not
Step-by-step explanation:
It should be 121, or +4 or -4 from that. But I am pretty sure it is 121