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Math Help - When does absolute value equations become All Real #'s and no solution?

  1. #1
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    When does absolute value equations become All Real #'s and no solution?

    So abs(7 minus 3x) > negative 4 why all reals?

    Wh
    en does it become no real solution?
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  2. #2
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    Re: When does absolute value equations become All Real #'s and no solution?

    From what you have written, I am not quite sure what you are asking.

    The equation you gave does in fact have solutions. Because of the nature of the absolute value, any x-value you put into the equation will either result in zero or a positive number, the minimum value being zero. I am certain that you know 0 > -4, so this equation is true for all real values, because, as I just mentioned, any x-value will yield zero or a positive number.
    Last edited by Bashyboy; February 23rd 2013 at 01:23 PM.
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