document.write( "Question 1121331: Please help me solve this\r
\n" ); document.write( "\n" ); document.write( "Use LU-factorization of the coefficient matrix to solve the linear system.
\n" ); document.write( "x − 3y = −5
\n" ); document.write( "y + 3z = −1
\n" ); document.write( "2x − 10y + 2z = −20
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Algebra.Com's Answer #737179 by ikleyn(52802)\"\" \"About 
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