SOLUTION: what properties are used in the following questions: 1. 3+[a+(-a)]=3+0 2. 3+[a+0]=3+a

SOLUTION: what properties are used in the following questions: 1. 3+[a+(-a)]=3+0 2. 3+[a+0]=3+a

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Question 363340: what properties are used in the following questions:
1. 3+[a+(-a)]=3+0
2. 3+[a+0]=3+a
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!
1. additive inverse property,
2. additive identity property.
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