document.write( "Question 887568: Solve the system of equations using matrices. Use Gaussian elimination with back-substituting or Gauss-Jordan elimination. \r
\n" ); document.write( "\n" ); document.write( "x-9y-z=-17
\n" ); document.write( "x-y+z=7
\n" ); document.write( "x+y-z=3
\n" ); document.write( "

Algebra.Com's Answer #536734 by MathTherapy(10552)\"\" \"About 
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\n" ); document.write( "Solve the system of equations using matrices. Use Gaussian elimination with back-substituting or Gauss-Jordan elimination. \r
\n" ); document.write( "\n" ); document.write( "x-9y-z=-17
\n" ); document.write( "x-y+z=7
\n" ); document.write( "x+y-z=3
\n" ); document.write( "

\n" ); document.write( "\"highlight_green%28highlight_green%28x+=+5_y+=+2_z+=+4%29%29\" \n" ); document.write( "
\n" );