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December 7, 2016
Posted by **Anonymous** on Monday, March 24, 2008 at 1:23pm.

x-y+2z=4

3y+z=5

3x-y=4

- math -
**Reiny**, Monday, March 24, 2008 at 1:58pmtake a look what they did on this site.

Remember you have 3 variables, so you have to insert zeros for the last two equations

http://www.mathwords.com/a/augmented_matrix.htm