Additive inverse of -12

Answer 1

Oh, dude, the additive inverse of -12 is just 12. It's like the positive version of that negative number, you know? So if you owe someone -12 dollars, just give them 12 bucks and call it even. Easy peasy lemon squeezy.

Answer 2

Additive inverse means that you are supposed to change the sign:* If there is a plus sign (or no sign at all), change it to a minus.

* If there is a minus sign (as in this case), change it to a plus (or no sign).

Answer 3

The answer is +12.