The additive inverse of 9 is -9.
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The inverse of addition is subtraction.
* *It is the reverse of the actionEx.Addition is the inverse of subtrationmultiplication is the inverse of division
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.
Addition.
It is the reverse of the action Ex. Addition is the inverse of subtration multiplication is the inverse of division