Answer:
x= 3, -4
Step-by-step explanation:
 
        
             
        
        
        
Answer:
1.5y - 5
Step-by-step explanation:
I used the distributive approach and distributed -1/2 to the -3y and 10. 
(If you try this and it's incorrect, you may just need to distribute -1/2 to the 10, creating -3y - 5.) 
 
        
             
        
        
        
Answer:
Restudy and try to take it again.
Step-by-step explanation:
Try watching math videos and do extra studying on the areas you missed on your last attempt.
 
        
                    
             
        
        
        
Well there are 12 players and 9 are in 8th grade so the rest is leaving 3 so 3/12 so converted to percentage is 25% hoped this helped
        
             
        
        
        
if you are looking for the solution then is <em>Infinitely many solutions</em>