Please show a pic so i can understand better
        
             
        
        
        
Well it would be -5, right? Because you lost (-) $5, you would have a negative five dollars.
        
                    
             
        
        
        
Well you have to subtract -2 to both sides and it well look like Y= -2+13 and then y=x+4
        
             
        
        
        
Answer: I did a screen shot of the answer
Step-by-step explanation:
 
        
             
        
        
        
First, you need to draw this out. Roughly, it should look a little something like the link i included in this answer. then u just draw a line tracing the points to make a rectangle (sandbox) and decide that the perimeter, or the distance around, would be 3+4+3+4 = 14 feet.