State the axiom in algebra that justifies each statement.
1. 10 + (25 + 12) = (10 + 25) + 12
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Mathematics, 06.02.2022 14:00, Deascry
State the axiom in algebra that justifies each statement.
1. 10 + (25 + 12) = (10 + 25) + 12
2. 20 Ć 43 = 43 Ć 20
3. 7(4 + 8) = 7 Ć 4 + 7 Ć 8
4. 62 = 62
5. If x = y and y = z, then x = z
6. a(bc) = (ab)c
7. 9 Ć 1 = 9
8. 15 + 0 = 15
9. 2a + b = b +2a
10.If 3x = 9, then x = 3
Answers: 3
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