Question

What number should be added to $-9$ to get $0?$

• A. Negative of $9$
• B. Negative of $-9$
• C. $9$
• D. None of the above.

Answer 1

Answer: (B), (C)

$9$

The negative of a given number is the number that when added to the given, we would obtain zero.

$\therefore$ Negative of $-9$ that is $9$, which when added to $-9$, we will get $0,$ i.e., $-9+\underset{–}{9}=0.$