There will be 181 seat left once Jeremy and the group seat down
        
                    
             
        
        
        
x +y = 20 ( rewrite as x = 20-y)
3x - 3y =30
3(20-y) - 3y = 30
60-3y - 3y = 30
60-6y = 30
-6y = -30
y = -30 / -6 = 5
x=20-5 = 15
x = 15, y = 5
  
        
             
        
        
        
Answer:
im taking it on edgenunity
Step-by-step explanation:
so what u do is pick the first 3 then last one
 
        
                    
             
        
        
        
If by description you mean simplification then: 84x/28
        
             
        
        
        
The intensity level is hard and for the first part, it’s 168. and something. Sorry that’s all I figured out I’m not too smart :/