document.write( "Question 358865: x+3y-z=1
\n" ); document.write( "-2x-6y+z=-3
\n" ); document.write( "3x+5y-2z=4
\n" ); document.write( "

Algebra.Com's Answer #256321 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
[A]=\"%28matrix%283%2C3%2C1%2C3%2C-1%2C-2%2C-6%2C1%2C3%2C5%2C-2%29%29\"
\n" ); document.write( "[x]=\"%28matrix%283%2C1%2Cx%2Cy%2Cz%29%29\"
\n" ); document.write( "[b]=\"%28matrix%283%2C1%2C1%2C-3%2C4%29%29\"
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "[A][x]=[b]
\n" ); document.write( "[x]=[A]inv[b]
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "det[A]=\"-1%2F4\"
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "[A]inv=\"-%281%2F4%29%2A%28matrix%283%2C3%2C7%2C1%2C-3%2C-1%2C1%2C1%2C8%2C4%2C0%29%29\"
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( ".
\n" ); document.write( "[x]=\"%28matrix%283%2C1%2C2%2C0%2C1%29%29\"
\n" ); document.write( "
\n" );