Asked by Jerald
                Simplify each expression if possible by combining like terms. If not possible, write simplified
2x+9x
I don't understand what to do
            
        2x+9x
I don't understand what to do
Answers
                    Answered by
            Jerald
            
    Didn't mean for it to be proportions as my school subject.
    
                    Answered by
            Kuai
            
    11x
    
                    Answered by
            Jerald
            
    4c-8c
Would it be a negative
    
Would it be a negative
                    Answered by
            Ms. Sue
            
    Kuai is right.
Here's an excellent explanation of like terms.
http://www.mathsisfun.com/algebra/like-terms.html
    
Here's an excellent explanation of like terms.
http://www.mathsisfun.com/algebra/like-terms.html
                    Answered by
            Ms. Sue
            
    Yes.  4c - 8c = -4c
    
                    Answered by
            Jerald
            
    What does it mean if possible by combining like terms? 
    
                    Answered by
            Ms. Sue
            
    You couldn't combine like terms if there are no like terms.
    
                    Answered by
            Jerald
            
    Oh, okay. And How would you solve an expression that had exponents too? For example
7d^2 - 5d
    
7d^2 - 5d
                    Answered by
            Ms. Sue
            
    Check the website for unlike terms.
    
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