The left side of the equation subtracts x from 2x. 
That means 1x, or just simply x, is left on the left side. 
We now have this:   x = 6 
So, x is 6. Hope this helps!
        
                    
             
        
        
        
Answer:
16
Step-by-step explanation:
 
        
                    
             
        
        
        
Look at 36/3 = 12.  
So let's try 12 along with the one before it and the one after it.
10 + 12 + 14 = 36
yay !
        
                    
             
        
        
        
Answer:
$260
Step-by-step explanation:
Turn the percentage into a decimal.
35% -> 0.35
Multiply.
400 * 0.35 = 140
Subtract.
400 - 140 = $260
Best of Luck!
 
        
                    
             
        
        
        
Answer:
3.5
Step-by-step explanation:
25%=0.25
0.25*14=3.5