document.write( "Question 590737: 3x+3y-3z=-9
\n" ); document.write( " y+4z=-29
\n" ); document.write( "2x-3y. =7
\n" ); document.write( "I don't know how to eliminate this one because the x is already gone in one and the z is gone in the other one.\r
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Algebra.Com's Answer #375242 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
3x+3y-3z=-9
\n" ); document.write( "y+4z=-29
\n" ); document.write( "2x-3y =7
\n" ); document.write( "x=-4
\n" ); document.write( "y=-5
\n" ); document.write( "z=-6\r
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