document.write( "Question 328900: solve the system\r
\n" ); document.write( "\n" ); document.write( "7x-y-z= -32
\n" ); document.write( "x-4y+z= -25
\n" ); document.write( "6x+3y-2z = -7
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Algebra.Com's Answer #235730 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
I was going to do a matrix inversion to solve the problem.
\n" ); document.write( "First step was to get the determinant of the matrix.
\n" ); document.write( "The result I got was zero which means the system is dependent.
\n" ); document.write( "A quick look at the row shows that row 1 is equal to the sum of row 2 and row 3.
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