Answer:
1. m=5
2. p=12
3. x=-9
4. n=2
5. b=4
6. x=7
7. r=9
8. n=-42
9. x=6
10. a=-8
11. x=-5
12. n=-8
13. v=-5
14. k=3
15. p=-8
16. n=0
Explanation:
Just do the opposite symbol on the other side-a balance scale.
Ex:
1. m+2=7
-2 -2
m=7-2=5
P.S. Don't go fully on my answers because it could be wrong. Check my math.