document.write( "Question 833304: Sovle the system for x, y and z:\r
\n" ); document.write( "\n" ); document.write( "2x+2y+3z=21
\n" ); document.write( "3x+y-z=-2
\n" ); document.write( "x+y+2z=13
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Algebra.Com's Answer #502476 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
You can use elimination.
\n" ); document.write( "I would eliminate y first.
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\n" ); document.write( "I prefer determinants.
\n" ); document.write( "You familiar with those?
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