Answer:
15x-6
Step-by-step explanation: 4 * 2x = 8x 
4*-5 = -20
7*x  = 7x
7*2= 14
Combine like terms 8x + 7x + 14-20 
15x-6
 
        
             
        
        
        
1. x - 6; Mark has 6 less dollars than Kim. Let x be the number of dollars Kim has.
2. 2(x/2); Robert lost half his money in the stock market last week, and then doubled that amount this week.
3. 4(x - 8); 4 people spent $8 on a movie. How much money (x) did each person have before seeing the movie?
        
             
        
        
        
Answer:
a reflection across line bc
Step-by-step explanation:
maybe, I think so
 
        
             
        
        
        
I believe it’s B i’m so sorry if i’m wrong!!!
        
             
        
        
        
X=60 and y=20 
x and y can be many things that answers the question to 120