document.write( "Question 726552: 2x + y - 5z = 10
\n" ); document.write( "4x - y + 2z = 12
\n" ); document.write( "4x - 4y = 12\r
\n" ); document.write( "\n" ); document.write( "Solve these for x, y and z by any method you choose.
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Algebra.Com's Answer #444627 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
x = 71/21, y = 8/21, z = -4/7 \n" ); document.write( "
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