document.write( "Question 1031020: X + 2y - z = 0
\n" ); document.write( "X + y - 2z = 3
\n" ); document.write( "2x - z = 0
\n" ); document.write( "

Algebra.Com's Answer #645746 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
X + 2y - z = 0
\n" ); document.write( "X + y - 2z = 3
\n" ); document.write( "2x - z = 0\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "2x -z=0
\n" ); document.write( "2x=z
\n" ); document.write( "X + y - 2z = 3
\n" ); document.write( "X + y - 2*2x = 3
\n" ); document.write( "y-3x = 3......................4\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "X + 2y - z = 0
\n" ); document.write( "X + 2y - 2x = 0
\n" ); document.write( "2y-x=0.........................5\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "solve 4 &5 to get y=-3/5\r
\n" ); document.write( "\n" ); document.write( "plug y and get x &z\r
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );