x-2y+z=4
3x-5y+18z=-6
2x-6y-27z=-7
3x-5y+18z=-6
2x-6y-27z=-7
-
Here's a solution to your problem.
Hopefully you can figure out the necessarry row operations to go from one matrix to the next.
https://docs.google.com/open?id=0B93wLOq…
Hope this helps
Hopefully you can figure out the necessarry row operations to go from one matrix to the next.
https://docs.google.com/open?id=0B93wLOq…
Hope this helps