document.write( "Question 415746: Good morning,
\n" ); document.write( "What steps are necessary in order to solve this system of equations using matrices (row operations).
\n" ); document.write( " x + y - z = 6
\n" ); document.write( " 3x -2y + z =-5
\n" ); document.write( " x +3y -2z = 14
\n" ); document.write( "1 -1 -1 |6
\n" ); document.write( "3 -2 1 |-5
\n" ); document.write( "1 -3 -2 |14 \n" ); document.write( "

Algebra.Com's Answer #291402 by htmentor(1343) $\"\"$ $\"About$

You can put this solution on YOUR website!
1 1 -1 6
\n" ); document.write( " 3 -2 1 -5
\n" ); document.write( " 1 3 -2 14
\n" ); document.write( "***
\n" ); document.write( "1 1 -1 6
\n" ); document.write( "4 -1 0 1 R1+R2
\n" ); document.write( "0 -2 1 -8 R1-R3
\n" ); document.write( "***
\n" ); document.write( "1 -1 0 -2 R3+R1
\n" ); document.write( "4 -1 0 1
\n" ); document.write( "0 -2 1 -8
\n" ); document.write( "***
\n" ); document.write( "3 0 0 3 R2-R1
\n" ); document.write( "4 -1 0 1
\n" ); document.write( "0 -2 1 -8
\n" ); document.write( "***
\n" ); document.write( "1 0 0 1 R1/3
\n" ); document.write( "4 -1 0 1
\n" ); document.write( "0 -2 1 -8
\n" ); document.write( "***
\n" ); document.write( "1 0 0 1
\n" ); document.write( "0 1 0 3 4R1-R2
\n" ); document.write( "0 -2 1 -8
\n" ); document.write( "***
\n" ); document.write( "1 0 0 1
\n" ); document.write( "0 1 0 3
\n" ); document.write( "0 0 1 -2 2R2+R3
\n" ); document.write( " \n" ); document.write( "

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