Simplify.
1. 12- 3(9-3) = _____
2. 5(2/3 -1/3) = _____
3. 3(3) / 5(4-3) = _____
4. 6 – 5 2 = _____
5. ½ (14-9) = _____
Combine Like Terms:
6. 3(9T-2) + (3T -7) = _____
7. 2(13P + 14R – 12P) = _____
8. 23 + 12Y – 34Z + 9(12) = _____
Solve.
9. 6 – (-3) = _____
10. -7 + (12)(-2) = _____
11. -5 + -2 = _____
12. (-2a) – (-4a) = _____
13. 8b + (-10b) = _____
14. (-2/3)(-9/10) = _____
15. (3) (-2) (9) (-10) = _____
16. (4/5) (-8) = _____
17. (3-4) / (4-1) = _____
18. 3(9)/4(3) – 6 = _____
19. 0/5 = _____
20. (-36a)/6 = _____
Solve each equation.
21. B + 230 = 240
22. -6 + 34P + 12 = P
23. -34 + 23 = R – 21
24. 12Q – 24 = 12
25. 123V – V + 120 = 0
26. 1/2W – 12/3 = 23
27. (2 ¼)R = 10 – 2R
28. 3/8 (- 12T) = 1/8(12)
29. (3-4)/ (12-4) = 12X
30. (12X – 23)/(12) = 0