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Math Help - Solving a system of equations

  1. #1
    Newbie
    Joined
    May 2008
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    Solving a system of equations

    Hi
    Can the following system of equations be solved by the Gaussian Elimination method?
    a-b+2c=3
    2a-2b+5c=4
    a+2b-c=-3
    2b+2c=1
    I tried , but for different combinations I am getting different answers which when substituted in the equations, do not satisfy all the equations.
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  2. #2
    Super Member flyingsquirrel's Avatar
    Joined
    Apr 2008
    Posts
    802
    Hi
    Quote Originally Posted by Sabita View Post
    I tried , but for different combinations I am getting different answers which when substituted in the equations, do not satisfy all the equations.
    This simply means that the system has no solution because the 4 equations are independent : as there are only 3 unknowns, the 4 different conditions can't be satisfied at the same time.
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