document.write( "Question 363584: How do you solve this three-variable system?
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document.write( "{x+2y+z=4
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document.write( "{2x-y+4z=-8
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document.write( "{-3x+y-2z=-1 \n" );
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Algebra.Com's Answer #259282 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! there's more than one way to do it. \n" ); document.write( "I made an Excel sheet that does them using determinants. \n" ); document.write( "-------- \n" ); document.write( "You can check you answers: \n" ); document.write( "x = 3 \n" ); document.write( "y = 2 \n" ); document.write( "z = -3 \n" ); document.write( " |