document.write( "Question 334090: solve each of the following systems of equations by elimination
\n" ); document.write( "x+y-z=5
\n" ); document.write( "x-y-2z= -3
\n" ); document.write( "2x+y+z=3
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Algebra.Com's Answer #239373 by nyc_function(2741)\"\" \"About 
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\n" ); document.write( "\n" ); document.write( "ANSWERS: x = -2/7, y = -6/7 and z = 31/7
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