Question

What is the inverse operation you would use to solve n-9=-18?

Possible answer's,

1. subtract -18
2. add -18
3. add 9
4. subtract 9

Answer 1

Answer
N-9=-18
Move the -9 to -18 and add those cuz if there’s two negative u have to add
Add 9

Answer 2

You would put n minus -18 and get 9 as your answer that way and then you add and subtract to get the answer to n

Explanation: