
John R. answered 01/21/13
John R: Math, Science, and History Teacher
(3 - v2) + (3 + v2) Given
3 - v2 + 3 + v2 Associative property of addition
3 + 3 - v2 + v2 Commutative property of addition
3 + 3 + 0 Inverse property of addtition
6 Simplify