document.write( "Question 58568: use Cramer's rule to solve the given system
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document.write( "4x+5y=12
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document.write( "3x+y=-2 \n" );
document.write( "
Algebra.Com's Answer #40121 by stanbon(75887) ![]() You can put this solution on YOUR website! 4x+5y=12 \n" ); document.write( "3x+y=-2 \n" ); document.write( "---------------- \n" ); document.write( "Coefficient Determinant = 4-15=-11 \n" ); document.write( "x-Determinant = \n" ); document.write( "12 5 \n" ); document.write( "-2 1 \n" ); document.write( "=12+10=22 \n" ); document.write( "So x=22/-11 = -2 \n" ); document.write( "---------------- \n" ); document.write( "y-Determinant = \n" ); document.write( " 4 12 \n" ); document.write( " 3 -2 \n" ); document.write( "=-8-36=-44 \n" ); document.write( "So y=-44/-11= 4 \n" ); document.write( "------------------- \n" ); document.write( "Comment: When I write this it looks right \n" ); document.write( "but posting may move everything out of place. \n" ); document.write( "Good luck in interpreting what you see. \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |