SOLUTION: Use the Commutative Property to solve for m 548 + m =321 + 548 ??? i don't understand the Commutative Property and do not know how to answer this.

Question 210428This question is from textbook
: Use the Commutative Property to solve for m
548 + m =321 + 548 ???
i don't understand the Commutative Property and do not know how to answer this. This question is from textbook

Answer by kev82(151) (Show Source): You can put this solution on YOUR website!
An operation @ is commutative if a@b is the same as b@a. In your problem, using the fact that '+' is commutative, the left hand side can be rewritten as m + 548. This then makes the expression m + 548 = 321 + 548, therefore m must be 321.
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