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March 29, 2015

March 29, 2015

Posted by **Math help** on Thursday, February 21, 2008 at 11:07am.

If 7n + 4 is an even integer then n is an even integer.

2. Prove: n is an even integer iff 7n + 4 is an even integer. (Note this is an if and only if (iff) statement.

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