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What is the additive inverse of 2?

Question:

What is the additive inverse of 2?

Additive Inverse:

In mathematics, we call the number 0 the additive identity because if we add 0 to any number, we get that number back out. The additive inverse of a given number is a number that can be added to the original number to get the additive identity, or 0. We have a nice rule for finding the additive inverse of a number.

Answer and Explanation:

The additive inverse of 2 is -2.

In general, the additive inverse of a number, x, is -x because of the following:

  • x + (-x) = x - x = 0

We see that...

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Additive Inverse Property: Definition & Examples

from General Studies Math: Help & Review

Chapter 3 / Lesson 2
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