document.write( "Question 246804: please help me solve this equation using cramer's rule
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document.write( " 2x-3y=7 \n" );
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Algebra.Com's Answer #180153 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! solve this equation using cramer's rule \n" ); document.write( "5x+2y=8 \n" ); document.write( "2x-3y=7 \n" ); document.write( "--------------- \n" ); document.write( "5...2 \n" ); document.write( "2...-3 \n" ); document.write( "coefficient determinant: 5*-3-2*2 = -19 \n" ); document.write( "----------------- \n" ); document.write( "8...2 \n" ); document.write( "7...-3 \n" ); document.write( "x-determinant: 8*-3-2*7 = -38 \n" ); document.write( "--------------------- \n" ); document.write( "5...8 \n" ); document.write( "2...7 \n" ); document.write( "y-determinant: 5*7-8*2 = 19 \n" ); document.write( "================================ \n" ); document.write( "x = x-det/coef det = 2 \n" ); document.write( "y = y-det/coef det = -1 \n" ); document.write( "=================================\r \n" ); document.write( "\n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |