23958
23598
25938
25398
29538
29358
here they all are
        
             
        
        
        
Answer:
For the first equation 
5x-y=74 
5(12)-14= 46 which is not =74 
Then the second is the equation 
Or you calculate it also 
3x+y=50 
3(12)+14=50 
Sutable equation this is 
 
        
                    
             
        
        
        
Answer:
It doesn't matter in what order we add our ingredients but if we have a combination to our padlock that is 4-5-6 then the order is extremely important. If the order doesn't matter then we have a combination, if the order do matter then we have a permutation. One could say that a permutation is an ordered combination.
Step-by-step explanation: