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?

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