Integers and their value?

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1 Answer
May 9, 2017

n in {-4,-3,-2,-1,0,1,2}.

Explanation:

-15 < 3n <= 6, n in ZZ.

Dividing by 3 >0, the inequality will not be altered.

:. -5 < n <= 2, n in ZZ.

rArr n in {-4,-3,-2,-1,0,1,2}.