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Is 3n+12 are even for all integer vaules of n
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Is 3n+12 are even for all integer vaules of n

User Antarus
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Answer: No

A counterexample is when we go for n = 1

3n+12 = 3*1+12 = 15

Showing that 3n+12 is odd when n = 1

User Bjarne
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