Question

negative of a negative integer is

Answer 1

Negative of a negative integer will be positive integer.
Example:-   -(-1)=1.

Answer 2

Positive integer
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Negative of a negative integer is positive integer.

Let -1 be the negative integer.

So,

Negative of a negative integer = -(-1)

= (-) * (-) = (+)

= +1

= Positive integer (Proved).