document.write( "Question 1055583: 3x-4y-z=6
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document.write( "2x-y+z=-1
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document.write( "4x-7y-3z=13 \n" );
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Algebra.Com's Answer #670898 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! 3x-4y-z=6 \n" ); document.write( "2x-y+z=-1 \n" ); document.write( "4x-7y-3z=13 \n" ); document.write( "=========== \n" ); document.write( "I would use elimination. \n" ); document.write( "Add eqns 1 and 2 --> an eqn in x & y (z is eliminated). \n" ); document.write( "Multiply eqn 2 by 3, than add eqn 3. \n" ); document.write( "--> a 2nd eqn in x & y. \n" ); document.write( "etc. \n" ); document.write( "------------- \n" ); document.write( "email via the TY note for help or to check your work. \n" ); document.write( " \n" ); document.write( " |