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As far as positive numbers are concerned, the additive inverse of a positive number is a negative number with the same magnitude (i.e. the additive inverse of 5 is -5). It would be wrong to simply say that "negative" and "additive inverse" are correct, because the additive inverse of a negative number is a positive number.
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What is another name for the additive inverse of a number?
Opposite.
What is the inverse for numbers under addition?
A number and its additive inverse add up to zero. If a number has no sign, add a "-" in front of it to get its additive inverse. The additive inverse of 5 is -5. The additive inverse of x is -x. If a number has a minus sign, take it away to get its additive inverse. The additive inverse of -10 is 10. The additive inverse of -y is y.
Name the additive inverse of -23?
positive 23
What is the additive inverse of the additive inverse of 45?
-45
What is the additive inverse of 18?
The additive inverse is the sum of two numbers that will equal zero. The additive inverse of -18 is 18.
