document.write( "Question 544151: Please help me help my kiddo. I don't know what the Gauss=Jordan method is. Thanks so much!\r
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document.write( "Use Gauss-Jordan method to solve. \r
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document.write( "2x – 3y = -9
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document.write( "2x + 2y = 6
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Algebra.Com's Answer #355034 by htmentor(1343)![]() ![]() You can put this solution on YOUR website! Form the augmented matrix: \n" ); document.write( "2 -3 -9 \n" ); document.write( "2 2 6 \n" ); document.write( "Perform row operations to obtain the reduced row echelon form of the matrix \n" ); document.write( "R2 - R1 \n" ); document.write( "0 5 15 \n" ); document.write( "2 2 6\r \n" ); document.write( "\n" ); document.write( "R1/5 and R2/2 \n" ); document.write( "0 1 3 \n" ); document.write( "1 1 3\r \n" ); document.write( "\n" ); document.write( "R2-R1 \n" ); document.write( "0 1 3 \n" ); document.write( "1 0 0\r \n" ); document.write( "\n" ); document.write( "Interchange R1 and R2 \n" ); document.write( "1 0 0 \n" ); document.write( "0 1 3\r \n" ); document.write( "\n" ); document.write( "So the answer is x=0, y=3 \n" ); document.write( " |