Answer:
5x - 30
Step-by-step explanation:
I used the distributive property and I think I got it.
 
        
                    
             
        
        
        
Answer:
Let x = the number of marbles Tim has
Let 2x = the number of marbles Sue has
x + 2x + 15 = 63
3x = 48
x = 16 marbles
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
i think its b
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
use a calculator
Step-by-step explanation:
 
        
             
        
        
        
(5,4)
x=5
y=4
hope this helped
mark brainliest   :)
you question did not make sense so i assumed this is what you meant and needed.