Write the augmented matrix, and then solve the system, using Gauss Jordan elimination on the

augmented matrix.
x + 2y - z = 4
-2x + y - 4z = -6
4x - 3y + 2z = -10

1 answer

enter your matrix of coefficients here and watch the details unfold:

http://www.gregthatcher.com/Mathematics/GaussJordan.aspx