Respuesta :

The answer would be D) 9 + (-9) = 0 because additive inverse is a number added to its opposite to get zero so 9 is the additive inverse of -9 and -9 is the additive inverse of 9.
AnimeBrainly

9 + (-9) = 0 is your answer

The additive inverse means that you are still 'adding' all of them, but they would equal zero, as you are adding the opposite.

hope this helps

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