kidzsearch.com > wiki   Explore:images videos games

# Opposite number

Opposite number or additive inverse of any number n is a number which, if added to n, results in 0, the identity element of addition. The opposite number for n is written as −n. For example, −7 is opposite to 7, because $-\!7 + 7 = 0$. You can say that the opposite number of a number, is the negative version of the positive number.