Answer:
3.5
Step-by-step explanation:
2x1/4=0.5
0.5x7=3.5
=3.5
 
        
                    
             
        
        
        
You just combine like terms
So 4d + - d = 3d
And 3x + 2x = 5x 
So the answer is 3d + 5x
        
                    
             
        
        
        
Answer:
WHAT PICTURE
Step-by-step explanation:
 
        
             
        
        
        
Answer:
10
Step-by-step explanation:
7 oranges over 4.48 dollars= x over 6.4 dollar 
cross multiply and solve for x