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Math Help - sorry guys i cant get this one either!

  1. #1
    Junior Member eah1010's Avatar
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    Unhappy sorry guys i cant get this one either!

    If lx - 1 l = lx - 2 l
    then x = ?
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  2. #2
    Global Moderator

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    If,
    x-2\geq 0 then x-1\geq  0 thus,
    x-2=x-1---- Emptry solution set.

    If,
    x-1<0 then x-2<0
    Thus,
    1-x=2-x---- Empty solution set.

    If,
    x-2<0 and x-1\geq 0 (1<= x< 2)
    Then,
    1-x=x-2
    Thus,
    x=3/2
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  3. #3
    Junior Member eah1010's Avatar
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    i dont know what i would do without you guys! Thank soo much!!
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