If they’re about coordinates, the first one is true and the next two are not. 
But if it’s not about coordinating they’re all true.
        
                    
             
        
        
        
Answer:
can you write the whole question in that problem!
 
        
             
        
        
        
Error: They subtracted 9x from both sides when they should have subtracted 12. You can’t subtract unlike terms
Correct: x=-5/16
Subtract 12 from both sides to get -5 on the left and add 7x and 9x to get 16x. Divide both sides by 16 to isolate x.
        
                    
             
        
        
        
Answer:
independent is the y value or the value that changes at a steady rate no matter what, the dependent variable or x is the variable that is subject to change and is dependent on the y value to find a pattern
Step-by-step explanation: