1. When you open the (), you will get 6-7, which equals -1.
2. Open the parenthesis, and you get -4-5, which equals -9.
3. Open parenthesis, you get 6-9, which is -3.
4. Same thing with the parenthesis, you get -6-7, which is -13.
5. Same thing, which is 6+6, which is 12.
6. Same thing, you get 7+9, which is 16.
7. Same thing, 5-8, which is -3.
8. Move to the right on the number line, you get 15-8, which is 7.
9. Open parenthesis, you get 14-4, which is 10.
10. Same thing, -9+2, equals -7.
11. Subtracting is adding with negatives, which is -13.
12. Open parenthesis, you get -8+19, which is 11.
13. Open parenthesis, 29-16-5, which is 28.
14. Same thing, you get -15+8+19, which is 12.
15. Same thing, 45+13-14, which is 44.
16. A negative, negative, negative equals a negative answer, so -30.
17. Open (), you get -7-6-7, which is -20.
18. Just subtract, and you get -105.
29.Open (), you get 17-7+5 and you get 15.
20. 45+9+5, which is 59.
Sorry if I'm wrong!
~Potato.