Math adding integers find the sum

Answer:
1. 28
2. -18
3. -2
4. 14
5. -7
6. 1
7. -17
8. 12
9. -12
10.-15
11. 24
12-13(d ko maintindihan ung sulat)
14. 4
15. -23
16. 1
I hope it helps you :-)