Answer :
Answer:
6, -6
Step-by-step explanation:
If you have 6, and add -6, you get 0. :)
Answer:
6 & -6
Step-by-step explanation:
Note that "sum" means that the pair of numbers must be added. Add the pair of numbers. It must equal 0:
6 + (-6) = 6 - 6 = 0
6 & -6 is your answer.
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