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Math Help - Inequalities

  1. #1
    Newbie
    Joined
    Aug 2005
    Posts
    5

    Angry Inequalities

    3 (x-1) > 4

    How do I address this problem with parentheses in it?
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  2. #2
    MHF Contributor
    Joined
    Apr 2005
    Posts
    1,631
    3 (x-1) > 4
    3x -3 > 4
    3x > 4 +3
    3x > 7
    x > 7/3 --------answer.

    ------------
    Another way.

    3 (x-1) > 4
    (x -1) > 4/3
    x -1 > 4/3
    x > 4/3 +1
    x > (4 +3*1)/3
    x > (4+3)/3
    x > 7/3
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