Respuesta :

Answer:-9

Step-by-step explanation:25-16=9

9+16=25

elyseabougharrach
The answer is simple : 25=16-n
25-16=-n
(You move 16 the other side so it becomes -16). 9=-n
9/-1 =n sooooo -9=n because their is a -1 in front of n but we never write it