document.write( "Question 724156: 3x+2y+2z=7
\n" ); document.write( "x+4y+4z=9
\n" ); document.write( "6x+2y+6z=14
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Algebra.Com's Answer #443629 by Alan3354(69443)\"\" \"About 
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3x+2y+2z=7
\n" ); document.write( "x+4y+4z=9
\n" ); document.write( "6x+2y+6z=14
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\n" ); document.write( "x = y = z = 1
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