Answer:
Additive inverse property
Step-by-step explanation:
When you add opposites you get 0.
Another word for opposites is additive inverses.
This is the additive inverse property.
It says when you do -a+a or a+(-a) you get 0 for any number a.
 
        
                    
             
        
        
        
A mathematical statement that uses an equal sign to say that two things are the same
        
             
        
        
        
Answer:
x+4= -2+4
 x+4 = 2
Step-by-step explanation: