What is the additive inverse of 30?

What is the additive inverse of 30 and how do you calculate the additive inverse of 30?

The additive inverse of 30 is the number that when added to 30 will equal 0. Here is the equation to solve the problem where x is the additive inverse of 30:

30 + x = 0

When we solve the equation above for x, we get x = -30. Thus, the answer to "What is the additive inverse of 30?" is -30.

Additive Inverse of 30 = -30

The two addends in an addition equation are interchangeable, which means that the answer to "What is the additive inverse of -30?" or "What is the additive inverse of negative 30?" is 30.

Since the additive inverse of 30 is -30, 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 30 is 30, because you add the minus and then remove it again.

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What is the additive inverse of 31?
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