document.write( "Question 474015: what are the x,y,z coordinates of -9x-9y-9z=27
\n" ); document.write( " -4x-7y+9z=-16
\n" ); document.write( " -5x-7y+2z=-2
\n" ); document.write( "

Algebra.Com's Answer #325096 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
-9x-9y-9z=27
\n" ); document.write( "-4x-7y+9z=-16
\n" ); document.write( "-5x-7y+2z=-2
\n" ); document.write( "---------
\n" ); document.write( "x + y + z = -3
\n" ); document.write( "4x+7y -9z = 16
\n" ); document.write( "5x+7y -2z = 2
\n" ); document.write( "---------------------
\n" ); document.write( "Use any method you know to get:
\n" ); document.write( "x = -7
\n" ); document.write( "y = 5
\n" ); document.write( "z = -1
\n" ); document.write( "==========
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "
\n" ); document.write( "
\n" );