Answer:
30
Step-by-step explanation:
-54/-3 = 18
18+12 = 30
 
        
             
        
        
        
Answer:
so 2x+3x+130=180
so 5x+130=180
 5x=50
 so 2x =20 
 3x which is angle a is equal to 30 degree
 
        
                    
             
        
        
        
Answer:
please what should we found? is it the value of ×or y
 
        
                    
             
        
        
        
Answer:
Combine like terms
Step-by-step explanation: