Question 866260
x = 2,   y = 3,   z = -1
Add (-2 * row1) to row2
1	 2	 2	 6
0	 -5	 -3	 -12
-1	 1	 -2	 3

Add (1 * row1) to row3
1	 2	 2	 6
0	 -5	 -3	 -12
0	 3	 0	 9

Divide row2 by -5
1	 2	 2	 6
0	 1	 3/5	 12/5
0	 3	 0	 9

Add (-3 * row2) to row3
1	 2	 2	 6
0	 1	 3/5	 12/5
0	 0	 -9/5	 9/5

Divide row3 by -9/5
1	 2	 2	 6
0	 1	 3/5	 12/5
0	 0	 1	 -1

Add (-3/5 * row3) to row2
1	 2	 2	 6
0	 1	 0	 3
0	 0	 1	 -1

Add (-2 * row3) to row1
1	 2	 0	 8
0	 1	 0	 3
0	 0	 1	 -1

Add (-2 * row2) to row1
1	 0	 0	 2
0	 1	 0	 3
0	 0	 1	 -1