document.write( "Question 171266: Need help here, please with systems of linear equations in 3 variables!
\n" ); document.write( "I don't understand it at all. It's very confusing to me.\r
\n" ); document.write( "\n" ); document.write( "3x^2+4y+z=7
\n" ); document.write( " 2y+z=3
\n" ); document.write( "-5x+3y+8z=-31\r
\n" ); document.write( "\n" ); document.write( "TIA!
\n" ); document.write( "Andrew
\n" ); document.write( "

Algebra.Com's Answer #126442 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
Need help here, please with systems of linear equations in 3 variables!
\n" ); document.write( "I don't understand it at all. It's very confusing to me.
\n" ); document.write( "3x^2+4y+z=7
\n" ); document.write( "2y+z=3
\n" ); document.write( "-5x+3y+8z=-31
\n" ); document.write( "------------
\n" ); document.write( "You say linear, but the 1st eqn is 2nd order. Is that a typo?\r
\n" ); document.write( "\n" ); document.write( "PS I thought I just posted this.
\n" ); document.write( "
\n" );