document.write( "Question 234160: what is the answer and how to solve this system with three variables.\r
\n" ); document.write( "\n" ); document.write( "2x-y+z=-2
\n" ); document.write( "x+3y-z=10
\n" ); document.write( "x +2z=-8
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Algebra.Com's Answer #172689 by nyc_function(2741)\"\" \"About 
You can put this solution on YOUR website!
Use matrices to solve.\r
\n" ); document.write( "\n" ); document.write( "If you want to learn how to solve this using matrices, visit the link below.\r
\n" ); document.write( "\n" ); document.write( "http://mathtv.com/
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