document.write( "Question 985378: Write the augmented matrix associated with the system of equations.
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Algebra.Com's Answer #606192 by Edwin McCravy(20060)\"\" \"About 
You can put this solution on YOUR website!
Write the augmented matrix associated with the
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document.write( "Line up the like variables on the left,\r\n" );
document.write( "the equal signs and the constant terms \r\n" );
document.write( "on the right like this:\r\n" );
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document.write( "2x +  y + 2z =   0\r\n" );
document.write( "4x + 3y -  z =   1\r\n" );
document.write( "5x - 4y + 3z = -41\r\n" );
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document.write( "Put 1 or -1 coefficients where they are understood:\r\n" );
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document.write( "2x + 1y + 2z =   0\r\n" );
document.write( "4x + 3y - 1z =   1\r\n" );
document.write( "5x - 4y + 3z = -41\r\n" );
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document.write( "Now erase all the variables\r\n" );
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document.write( "2  + 1  + 2  =   0\r\n" );
document.write( "4  + 3  - 1  =   1\r\n" );
document.write( "5  - 4  + 3  = -41\r\n" );
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document.write( "Place the signs close to the\r\n" );
document.write( "numbers.\r\n" );
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document.write( "2   +1   +2  =   0\r\n" );
document.write( "4   +3   -1  =   1\r\n" );
document.write( "5   -4   +3  = -41\r\n" );
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document.write( "Erase the + signs:\r\n" );
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document.write( "2    1    2  =   0\r\n" );
document.write( "4    3   -1  =   1\r\n" );
document.write( "5   -4    3  = -41\r\n" );
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document.write( "Replace the equal signs with\r\n" );
document.write( "a dotted line:\r\n" );
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document.write( "2    1    2  |   0\r\n" );
document.write( "4    3   -1  |   1\r\n" );
document.write( "5   -4    3  | -41\r\n" );
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document.write( "Now place brackets around the whole \r\n" );
document.write( "thing:\r\n" );
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document.write( "æ2    1    2  |   0ö\r\n" );
document.write( "ç4    3   -1  |   1÷\r\n" );
document.write( "è5   -4    3  | -41ø\r\n" );
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document.write( "That's the augmented matrix.\r\n" );
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document.write( "Edwin
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