Respuesta :

N = -17 because you would subtract 8 from 9 and get -17
kiazoi
-17

Explanation

n + 8 = -9

theres many ways to do this, but since 9 is a negative.. you can start by going to zero by subtracting by 8. Then to get from 0 to -9 you subtract 9. Add up everything you subtracted to get your answer.