Answer:
I was trying to answer but can you provide a picture of a better understanding, so I can solve the equation. If not then feel free to report me. Very sorry. 
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
X=7 because 88=12x+4. Simple math gives you x=7
 
        
             
        
        
        
Answer:
The answer is B(65)
Step-by-step explanation:
you just do 180 - JCB  = 65
so you do 180-65=115
hope this helps