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    kerber's Avatar
    kerber Posts: 1, Reputation: 1
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    #1

    Oct 13, 2008, 01:28 PM
    math homework ninth grade
    3+4x=3x+2
    ?

    neeed help.
    B 777-200 ER's Avatar
    B 777-200 ER Posts: 2, Reputation: 2
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    #2

    Oct 13, 2008, 02:09 PM
    3+4x = 3x-2

    => 4x-3x = -2 - 3
    => x = -5
    bEaUtIfUlbRuNeTtE's Avatar
    bEaUtIfUlbRuNeTtE Posts: 1,051, Reputation: 112
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    #3

    Oct 13, 2008, 02:21 PM

    You got it!
    katringette22's Avatar
    katringette22 Posts: 57, Reputation: 1
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    #4

    Oct 13, 2008, 02:25 PM

    For those ones you put terms that look alike together
    mathwiz3502's Avatar
    mathwiz3502 Posts: 121, Reputation: 1
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    #5

    Oct 4, 2009, 12:38 PM

    3+4x=3x+2
    subtract 3 (addition is communitive)
    4x=3x-1
    subtraact 3x
    x=-1
    check it:
    3+4(-1)=3(-1)+2
    3-4=2-3
    -1=-1
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