math

simply the expression

-4+2x+8
??

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  1. 2x+4

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  2. 2x + 4
    or
    2(x+2)

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  3. but what happens to the 8?

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  4. 8 - 4 = 4

  5. 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 ?

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  6. 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.

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