Answer:
14
Step-by-step explanation:
You just multiply 2 to (x + 7) which gets you 2x + 14 and then subtract 2x from 2x seeing as they are like terms and you end up with 14. 
 
        
                    
             
        
        
        
Answer:
A (-2.5, 5) Might Not Be Right
Step-by-step explanation:
 
        
             
        
        
        
Answer:
6x + 13 = 12x - 20
Step-by-step explanation:
6x + 13 = 12x - 20
 
        
             
        
        
        
Answer:
16 seconds per download
Step-by-step explanation:
480/30 = 16 seconds