Answer:
Only B,
Step-by-step explanation:
Because it is all addition it does not mater what order they are in,..
The answers
1)-7
2)-1.5
3) 2
2n+2(n-4)=56
2n+2n-8=56
4n-8=56
4n=64
n=16
1st side is 16
2nd side is 12
I would personally take the number three and trow it out the window but that's not what we are talking about
