It is -a.
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-6. The additive inverse of a number is the number, that, when added to the original number, causes it to equal zero. You can kind of think of it like an opposite number. So, the additive inverse of 2 is -2, and -4 is 4.
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).
The additive inverse of 88 is -88; the additive inverse of -88 is 88. The additive inverse can be though of as the solution of a + x = 0, for any number a.
The additive inverse of -1.13 is 1.13 .
In mathematics, the additive inverse of a numberais the number that, when addedtoa, yields zero. The additive inverse of 7 is -7.