document.write( "Question 82711This question is from textbook
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document.write( ": Solve. If there is no solution or if dependent, so state.\r
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document.write( "x - y + z = -11
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document.write( "x + y + z = -5
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document.write( "x + y - z = 1 \n" );
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Algebra.Com's Answer #59311 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Solve. If there is no solution or if dependent, so state.\r \n" ); document.write( "\n" ); document.write( "x - y + z = -11 \n" ); document.write( "x + y + z = -5 \n" ); document.write( "x + y - z = 1 \n" ); document.write( "---------------\r \n" ); document.write( "\n" ); document.write( "Using Cramer's Method: \n" ); document.write( "Coefficient determinant = (-1+1-1)-(1+1+1)=-4 \n" ); document.write( "The x-determinant = 5--15=20 \n" ); document.write( "Therefore x=20/-4=-5 \n" ); document.write( "----------------- \n" ); document.write( "The y-determinant = -5-7 = -12 \n" ); document.write( "Therefore y = -12/-4 = 3 \n" ); document.write( "------------------ \n" ); document.write( "the z-determinant = -5-(-17) = 12 \n" ); document.write( "Therefore z = 12/-4 = -3 \n" ); document.write( "======================= \n" ); document.write( "------------- \n" ); document.write( "x=-5; y=3[ z=-3 \n" ); document.write( "======================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |