SOLUTION: 7+(8+12) =____+12, which property was used?

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Question 1036766: 7+(8+12) =____+12, which property was used?
Answer by jorel555(1290) About Me  (Show Source):
You can put this solution on YOUR website!
7+(8+12)=(7+8)+12
This is an example of the associative property of addition!!!!!!!!!