First you would plug in the 9 for x, then you would try to solve for y
        
                    
             
        
        
        
What the question? Tell me then I can maybe help
        
             
        
        
        
Answer:
If 30 unicorns out of 300 walk away then it will be 300-30=270 unicorns left.
If 50 dragons fly away out of 200 then it will be 200-50=150.
Therefore there are 270 unicorns and 150 dragons left.
I hope this helps you...Thank you...
 
        
             
        
        
        
Answer:
84
Step-by-step explanation: