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Math Help - systems of equations

  1. #1
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    systems of equations

    x+y+z = 3
    y+3z = 8
    x+y = 0

    if (x, y, x) is the solution of the system of equations then x = ?

    i think 1 any confirmation???
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  2. #2
    Master Of Puppets
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    correct, the solution to the system is (x,y,z) = (1,-1,3)
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