1. Properties of Algebra

2. 7 + (2.4 + 9) = (7 + 2.4) + 9

3. Associative Property of Addition

4. 9(3 – 5) = (3 – 5)9

5. Commutative Property of Multiplication

6. 4(1 + 7) = 4(1) + 4(7)

7. Distributive Property

8. (19a + 11b) + 0 = 19a + 11b

9. Identity Property of Addition

11. Multiplicative Inverse or Inverse Prop. of Multiplication

12. (8+ -8) – 9 = 0 - 9

13. Additive Inverse or Inverse Prop. of Addition

14. (4 + 11)6 = 4(6) + 11(6)

15. Distributive Property

16. ( a + b) + [-(a + b)] = 0

17. Additive Inverse or Inverse Prop. of Addition

18. 11 + a + r= a + 11 + r

19. Commutative Property of Addition

20. (4 + 9a)2b = 2b(4 + 9a)

21. Commutative Property of Multiplication

23. Multiplicative Inverse or Inverse Prop. Of Multiplication

24. 67 1 = 67

25. Identity Property of Multiplication

26. (6 + -6)y = 0y

27. Additive Inverse or Inverse Prop. of Addition

28. (3 + 9) + 4 = 4 + (3 + 9)

29. Commutative Property of Addition

30. 3(2x)y = 32(xy)

31. Associative Property of Multiplication