document.write( "Question 1134322: x+3y+z=9
\n" ); document.write( "3x+y-z=-1
\n" ); document.write( "2x+2y-z=3
\n" ); document.write( "
\n" ); document.write( "

Algebra.Com's Answer #751661 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
x+3y+z=9
\n" ); document.write( "3x+y-z=-1
\n" ); document.write( "2x+2y-z=3
\n" ); document.write( "------------
\n" ); document.write( "Add eqns 1 & 2, then eqns 1 & 3.
\n" ); document.write( "---> 2 eqns in x & y, no more z.
\n" ); document.write( "Go from there.
\n" ); document.write( "
\n" ); document.write( "
\n" );