Answer:
You should go to algebraic calculator. its amazing
Step-by-step explanation:
brainliest?
 
        
             
        
        
        
X-number
8x-20=15+x (subtract x)
7x-20=15 (then add 20)
7x=35 (then divide by 7)
I think you've got it from now, if not, just do 35 divided by 7. But go over the steps, so that you know how to do these types of questions.
        
                    
             
        
        
        
Answer:
6 hours 
Step-by-step explanation:
6.50 - 2.00 = 4.50 
4.50 ÷ 0.75 = 6
 
        
             
        
        
        
Distance = 500 miles
Distance of automobile = 10r
r = 50
Distance = 10 x 50 = 500 miles
 
        
             
        
        
        
396 is going to be your answer your welcome