document.write( "Question 628609: can you help me solve this. linear system equations by elimination \r
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document.write( "x + y + z =4
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document.write( "x - y + 2z=1
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document.write( "x - y - 3z = -4 \n" );
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Algebra.Com's Answer #395757 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! x + y + z =4 \n" ); document.write( "x - y + 2z=1 \n" ); document.write( "x - y - 3z = -4 \n" ); document.write( "============ \n" ); document.write( "All the x coeff's are 1, eliminate x first by subtracting 1 of the eqns from the other 2. \n" ); document.write( "---------- \n" ); document.write( "If you subtract eqn 3 from 2, both x & y are eliminated. \n" ); document.write( " \n" ); document.write( " |