+0  
 
0
24
1
avatar+16 

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

Cedricedmonds  Sep 7, 2018
 #1
avatar
+1

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

 

+9 + (-9) =0

Guest Sep 7, 2018

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