document.write( "Question 1118868: solve using gauss elimination method:\r
\n" ); document.write( "\n" ); document.write( "X1 + 2 X2 + X3 = 0\r
\n" ); document.write( "\n" ); document.write( "2X1 + 2 X2 + 3 X3 = 3\r
\n" ); document.write( "\n" ); document.write( "-X1 - 3 X1 = 2 \n" ); document.write( "
Algebra.Com's Answer #734296 by josgarithmetic(39617)\"\" \"About 
You can put this solution on YOUR website!
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document.write( "1  2  1  0\r\n" );
document.write( "2  2  3  3\r\n" );
document.write( "W H A T ?\r\n" );
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\n" ); document.write( "Fix your last row equation. \"-X%5B1%5D-3X%5B1%5D=2\" or is it \"-X%5B1%5D-3X%5Bsomethingelse%5D=2\" ?\r
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\n" ); document.write( "\n" ); document.write( "RESPONSE: \"-X%5B1%5D-3X%5B2%5D=2\"\r
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document.write( "1    2    1    0\r\n" );
document.write( "2    2    3    3\r\n" );
document.write( "-1   -1   0    2\r\n" );
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document.write( "E3=E1+E3\r\n" );
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document.write( "1   2   1   0\r\n" );
document.write( "2   2   3   3\r\n" );
document.write( "0  -1   1   2\r\n" );
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document.write( "\r\n" );
document.write( "E2=E2-2E1\r\n" );
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document.write( "1   2   1   0\r\n" );
document.write( "0  -2   1   3\r\n" );
document.write( "0  -1   1   2\r\n" );
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document.write( "1   2    1    0\r\n" );
document.write( "0  -2   1    3\r\n" );
document.write( "0   1   -1   -2\r\n" );
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document.write( "E3=E2+2E3\r\n" );
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document.write( "1   2   1   0\r\n" );
document.write( "0   -2  1   3\r\n" );
document.write( "0   0   -1  1\r\n" );
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document.write( "1   2   1   0\r\n" );
document.write( "0  -2   0   4\r\n" );
document.write( "0   0   -1  1\r\n" );
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document.write( "1   2   1   0\r\n" );
document.write( "0   1   0  -2\r\n" );
document.write( "0   0   1  -1\r\n" );
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document.write( "\r\n" );
document.write( "E1=E1-E3\r\n" );
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document.write( "1   2   0   1\r\n" );
document.write( "0   1   0   -2\r\n" );
document.write( "0   0   1   -1\r\n" );
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document.write( " E1=E1-2E2\r\n" );
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document.write( "1   0   0   5\r\n" );
document.write( "0   1   0   -2\r\n" );
document.write( "0   0   1  -1\r\n" );
document.write( "

\n" ); document.write( "\"system%28X%5B1%5D=5%2CX%5B2%5D=-2%2CX%5B3%5D=-1%29\" \n" ); document.write( "
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