discrete math and proof

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Discussion in 'Math' started by braddy, Sep 3, 2006.

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  1. Sep 3, 2006 #1
    braddy

    Thread Starter Well-Known Member

    Dec 29, 2004
    83
    0
    Hi,
    Please can someone help me with this problem.

    show that a,b,c are real numbers and a#0, then there is a unique solution of the equation ax+b=c.

    the uniqueness of the solution is my problem.
    Thank you
    B
     
    #1 Reply
  2. Sep 5, 2006 #2
    Nirvana

    Well-Known Member

    Jan 18, 2005
    58
    0
    Hi there, if you are solving for x in the equation;
    ax + b = c, then x = (c - b)/a
    a can't be 0 or x will be infinately large.


    Nirvana
     
    #2 Reply
  3. Sep 9, 2006 #3
    braddy

    Thread Starter Well-Known Member

    Dec 29, 2004
    83
    0
    yes it might be a solution for the existence. I will work on the uniqueness.
    thank you Nirvana.
     
    #3 Reply
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