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Math Help - Four digit integer, unable to solve, confusing

  1. #1
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    Four digit integer, unable to solve, confusing

    A positive four digit integer abcd has the following properties
    a>b>c>d
    a=b+c
    b=c-d
    If M is highest possible value for abcd
    What is the value of M?
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  2. #2
    Super Member
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    Re: Four digit integer, unable to solve, confusing

    It's not possible is it ?

    If b=c-d then d=c-b but b>c so d is negative.

    Do you mean b=c+d ?
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  3. #3
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    Re: Four digit integer, unable to solve, confusing

    attraction signs

    Did the given equation is true.Check the conditions.
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