John's method will find you the price of each individual can of soda.Susan's method will find you the total cost of the soda. total number of cost = the number of things x the cost of each thing 
        
                    
             
        
        
        
-31 - 4x = 5 - 5 ( 1 + 5x )
-31 - 4x = 5 - 5 - 25x
-31 - 4x = -25x
+ 31 to both sides
-4x = 6
/ -4 to both sides
x = 6/-4 = 3/-2
        
                    
             
        
        
        
Answer:
yeah 
Step-by-step explanation:
its basically looks good, if your teacher gives a bad grade than idk, but looks about right :) 
 
        
             
        
        
        
The top answer is the right answer 
Hope this helps good luck