Hi,

i think all of you know the gaußalgorithm to solve problems like

2x_1 + 3x_2 + 4x_3 = 1

x_1 + 2_x_2 + 6x_3 = 3

8x_1 + 4x_2 + 3x_3 = 4

or sth. like that, it looks then like

2 3 4 | 1

1 2 6 | 3

8 4 3 | 4

i would like to display that in a nice way with left( right) around it and a long dash where all the small ones are now, has anyone of you an idea how to do this?