The additive inverse of a number is a number that is the same distance from 0 on the number line, but in the opposite direction.
|+3 + -3 = 0|
|In the example, +3 and -3 are additive inverses or opposites.|
|-3 is the additive inverse, or opposite, of +3.|
|+3 is the additive inverse, or opposite, of -3.|
See also additive inverse property, opposite of a number.