document.write( "Question 1073731: PLEASE HELP ASAP!!\r
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document.write( "Solve the system of equations using Gauss- Jordan row reduction. You can put the matrix in row-echelon form ( with zeros in the lower left triangle) and then use back substitution if you wish.
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document.write( "x+y+6z=4
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document.write( "x-y+2z=2
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document.write( "x +2z=0 \n" );
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Algebra.Com's Answer #688538 by josgarithmetic(39617)![]() ![]() ![]() You can put this solution on YOUR website! Notice that the second and third equations both contain x+2z. \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "x+y+6z=4 \n" ); document.write( "(x+2z)-y=2 \n" ); document.write( "(x+2z)=0\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Substitute for x+2z into the second equation. \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( ". \n" ); document.write( ". \n" ); document.write( " |