Answer:
Inreally dojhrjhhhhhnnnnn
 
        
             
        
        
        
(104+137+154+131+x) / 5 = 130
The calculation part I would like to leave it for you. It's a good practice.
        
             
        
        
        
Answer:
Step-by-step explanation:
5x - 2y = 19
-5x + 5y = 5
3y = 24
y = 8
-x + 8 = 1
-x = -7
x = 7
(7, 9)
 
        
             
        
        
        
There was originally 7.8 liters of water in the pitcher