your right Step-by-step explanation:
 
        
             
        
        
        
Answer:
please show where the lines are graphed in a picture
Step-by-step explanation:
 
        
             
        
        
        
Answer:
a
Step-by-step explanation:
 
        
                    
             
        
        
        
Answer:
20
Step-by-step explanation:
 
        
                    
             
        
        
        
They are terms<span> that contain the same variables raised to the same power. Only the numerical coefficients are different. In an expression, only </span>like terms<span> can be combined. We combine </span>like terms<span> to shorten and simplify algebraic expressions, so we can work with them more easily.</span>