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How Prove that if n is odd then 3n+5 is even.

How Prove that if n is odd then 3n+5 is even.
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How Prove that if n is odd then 3n+5 is even.

User Kirschkern
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Because 3 is a lower number then 5 and that would be negative if it were 5+3 it would be Positive
User Shali Liu
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