Answer:
-3-i is the correct answer.
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
-63
Step-by-step explanation:
41 + 11 = 52
51 + 11 = 63
-63 + 51 = -11
 
        
             
        
        
        
It would be the second one if you follow PEMDAS
        
             
        
        
        
Answer:
5/2
Step-by-step explanation:
23x-19x+5=2x
23x-19x-2x=5
2x/2=5/2
x=5/2
 
        
                    
             
        
        
        
Hello, i definitely don’t know i just need to answer something sorry