SOLUTION: One of our sample problems is.. and i'm lost: Identify the property that is used 5 (6+7)=5+ (7+6)

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Question 39535: One of our sample problems is.. and i'm lost:

Identify the property that is used

5 (6+7)=5+ (7+6)
Answer by fractalier(6550) About Me  (Show Source):
You can put this solution on YOUR website!
I imagine that you meant to write
5 + (6 + 7) = 5 + (7 + 6)
If that is the case, then we are demonstrating the commutative property of addition, a property which states that order doesn't matter when we add numbers...