document.write( "Question 176600: If I use the Cramers rule to solve the equation, how do I solve the problem?\r
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document.write( "5x+3y=7
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document.write( "4x+5y=3 \n" );
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Algebra.Com's Answer #131666 by Mathtut(3670)![]() ![]() ![]() You can put this solution on YOUR website! Cramers rule takes the format of \n" ); document.write( ": \n" ); document.write( "lets call \n" ); document.write( ": \n" ); document.write( " \n" ); document.write( ": \n" ); document.write( "det A(1st column replaced) \n" ); document.write( "det A = \n" ); document.write( ": \n" ); document.write( "x= det A(1st column replaced)/det A=26/13= \n" ); document.write( ": \n" ); document.write( "you find y by taking the determinant of Matrix A(with the 2nd column replace by the answer matrix) divided by det of matrix A \n" ); document.write( ": \n" ); document.write( "det A(2nd column replaced) \n" ); document.write( ": \n" ); document.write( "y= det A(2nd column replaced)/det a=-13/13= |