Asked by sarah
                simply the expression
-4+2x+8
??
            
        -4+2x+8
??
Answers
                    Answered by
            Cindy
            
    2x+4
    
                    Answered by
            Damon
            
    2x + 4
or
2(x+2)
    
or
2(x+2)
                    Answered by
            sarah
            
    but what happens to the 8?
    
                    Answered by
            Ms. Sue
            
    8 - 4 = 4
    
                    Answered by
            sarah
            
    ohh okay...so if i said 4x+1+(-3) it would be like  4x+1-3 then i would do:
3-1=2
so it would be 4x+2 ?
    
3-1=2
so it would be 4x+2 ?
                    Answered by
            Ms. Sue
            
    When you simplify, you combine like terms.
In your expression you have one unknown >> 2x.
You have two known numbers >> + 8 and - 4.
Please study Cindy's and Damon's answers. They both posted the correct answer.
    
In your expression you have one unknown >> 2x.
You have two known numbers >> + 8 and - 4.
Please study Cindy's and Damon's answers. They both posted the correct answer.
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