Respuesta :

-24 for 12 and for the first table -1,-3,-7 table two is -5,-2,2 sorry I did It backwards, do you need the top ones?
ms01
2. -8
3. -26
4. 9
5. -3
6. -51
7. 4
8. -2
9. -9
10. -1, -3, -7
11. -5, -2, 2
12. A. -24

This is just simple addition of negative/positive numbers, it is kind of like counting.