+0  
 
0
135
1
avatar+72 

What number can be added to 9 to get a result of 0?

 Sep 7, 2018
 #1
avatar
+1

What number can be added to 9 to get a result of 0?

 

+9 + (-9) =0

 Sep 7, 2018

33 Online Users

avatar
avatar
avatar