SOLUTION: Are integers closed under addition

Question 897493: Are integers closed under addition
Found 2 solutions by Fombitz, josgarithmetic:
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Yes, adding two integers will always yield another integer.
Answer by josgarithmetic(39623) (Show Source): You can put this solution on YOUR website!
Yes. If you believe not, then find a counter-example.
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