What is the additive inverse of 1999?

What is the additive inverse of 1999 and how do you calculate the additive inverse of 1999?

The additive inverse of 1999 is the number that when added to 1999 will equal 0. Here is the equation to solve the problem where x is the additive inverse of 1999:

1999 + x = 0

When we solve the equation above for x, we get x = -1999. Thus, the answer to "What is the additive inverse of 1999?" is -1999.

Additive Inverse of 1999 = -1999

The two addends in an addition equation are interchangeable, which means that the answer to "What is the additive inverse of -1999?" or "What is the additive inverse of negative 1999?" is 1999.

Since the additive inverse of 1999 is -1999, additive inverse is also known as the opposite number. To get the additive inverse of a postive number you put a minus in front of it and to get the additive inverse of a negative number, you remove the minus to make it a positive number.

This also means that the double additive inverse of 1999 is 1999, because you add the minus and then remove it again.

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