Mathematics

Elsie Mccann

1 July, 15:00

1. 2 + 5 = 5 + 2 exexmolifies which property?

2. 2 * (75) = (27) * 5 exemplifies which property?

3. 2 (x + y) = 2x + 2y exeemplifies whcih property?

4. 2z + 0 = 2z exemplifies which property?

5. 141 = 14 exempifies which property?

6. 13 + - 13 = 0 exempifies which property?

7. 5 1/5 = 1 ememplifies which property?

8. Simplify 18a + 31b + 14a - 2b

9. Simplify 14x - 2y + 21x + 7y

10. Simplify 15r + 7s + 9r - 7s

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