The additive inverse for a number is its negative value. The sum of an integer and its additive inverse is zero. For the example (5) the additive inverse would be (5)
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The additive Inverse of negative 5 is positive 5. The additive inverse is simply
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An additive inverse is a number that when added to another equals 0. Source(s) http://en.wikipedia.org/wiki/Additive_inverse.
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+2.11
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