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Need help to using matrix to solve.

  1. Sep 16, 2009 #1
    Can anyone pls help to solve the solution set of the system of equations given above, where a, b, c are unknowns.

    w+5x+6y-z=a
    2w+2x+2z=b
    -2w-x+y=c

    And is the system overdetermined or underdetermined?
     
  2. jcsd
  3. Sep 16, 2009 #2

    HallsofIvy

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    You have three equations in four unknown variables. What do you think?
     
  4. Sep 16, 2009 #3
    yes, i know that got three equations in four unknowns variables.
    So in the question is want to solution with matrix, but i dont know how to start and end the result.
    Can u help me?
     
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