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Math Help - Proof by enumeration??

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    rcs
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    Proof by enumeration??

    how is this possibly be proven? need your help on this ... thanks a lot
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    Re: Proof by enumeration??

    If you do not know what "enumeration" means- look it up! If you do, then you should understand that the problem is simply subtracting integers. Surey, you know how to do that!
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    rcs
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    Re: Proof by enumeration??

    well actually i was trying to solve that but i when i attempt all answers are 0.
    x-y = 1- 1 = 0, or 2-2 = 0 or 3 -3 = 0 ... there must something wrong with the problem if these are not the answer.


    P.S... HallsOfIvy you are not impressive though. your answers are making things complicated ... you are not a help! you are only pretending
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