document.write( "Question 914583: 2x-y+2z=7
\n" ); document.write( "-x+2y-4z=5
\n" ); document.write( "x+4y-6z=-1
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Algebra.Com's Answer #555197 by ewatrrr(24785)\"\" \"About 
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-x+2y-4z=5
\n" ); document.write( " x+4y-6z=-1
\n" ); document.write( " \"6y+-+10z+=+4\"
\n" ); document.write( ".......
\n" ); document.write( "2x-y+2z=7
\n" ); document.write( "2(-x+2y-4z=5)
\n" ); document.write( "\"+3y+-6z+=+17\"
\n" ); document.write( ".........
\n" ); document.write( "6y - 10z = 4
\n" ); document.write( "-2(3y-6z = 17
\n" ); document.write( "2z = -30
\n" ); document.write( "z = -15 , y = \"-146%2F6\", x = compute...
\n" ); document.write( "(19/3, -73/3, -15) is the solution for this System
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