Question 202000
Solution provided by the <a href="http://www.math.odu.edu/~bogacki/lat/">Linear Algebra Toolkit</a>



<img src="http://i150.photobucket.com/albums/s91/jim_thompson5910/Algebra%20dot%20com/rref2-1.png">



So the ordered triple solution is (2, 1, -1) which means that {{{x=2}}}, {{{y=1}}}, and {{{z=-1}}}