see all the details here:
http://www.gregthatcher.com/Mathematics/GaussJordan.aspx
Use Gaussian elimination to write the system of equations given below in row-echelon form
2x+4y+z=-4
2x-4y+6z=13
4x-2y+z=6
1 answer
2x+4y+z=-4
2x-4y+6z=13
4x-2y+z=6
1 answer