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

    Apr 13, 2007, 04:57 AM
    what is the solution set for l2x-5l= 7 for x?
    Capuchin's Avatar
    Capuchin Posts: 5,255, Reputation: 656
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    #2

    Apr 13, 2007, 05:00 AM
    Well, you know what the |.. | means?

    It means that anything inside it must be taken as positive, so |3| = 3, |-3| = 3

    so you are looking for the 2 solutions:

    2x-5 = 7

    and

    2x-5 = -7

    now you can find both solutions.
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