-1 is the first line after 0
8 is 3rd line one the right side after 5
-11 is just first line after 10..
I hope U understand 
 
        
                    
             
        
        
        
1.4n represents the price and number of packages of pencils. 1.2m represents the number of paper pads and the price
        
             
        
        
        
All you need to do for this is remove the parenthese and your answer will be  because that's the furthest it can be simplified.
 because that's the furthest it can be simplified.
 
        
             
        
        
        
You have to multiply and add!
        
             
        
        
        
Answer:
(y+10)/5
Step-by-step explanation:
You start off by adding 10 on both sides cancelling the 10 on the right side and you get y+10=5x. From there you then divide by 5 on both sides and you get your answer of (y+10)/5.