# Opposite of an integer

Exploring the opposite of an integer.
In mathematics, the

**additive inverse**of a number a is the number that, when added to a, yields zero. This number is also known as the**opposite**(number),^{[1]}**sign change**,^{[2]}and**negation**.^{[3]}For a real number, it reverses its sign: the opposite to a positive number is negative, and the opposite to a negative number is positive. Zero is the additive inverse of itself. More https://en.wikipedia.org/wiki/Additive_inverse#:~:text=In%20mathematics%2C%20the%20additive%20inverse,a%20negative%20number%20is%20positive.What happens when you add opposites?