document.write( "Question 1026763: write in Ax = b form\r
\n" ); document.write( "\n" ); document.write( "y + 3z = 7 + 4x
\n" ); document.write( "2y + x = 1 - 5z
\n" ); document.write( "6x - 9 = 2y + 3z \n" ); document.write( "

Algebra.Com's Answer #642069 by Edwin McCravy(20060) $\"\"$ $\"About$

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document.write( "y + 3z = 7 + 4x\r\n" );
document.write( "2y + x = 1 - 5z\r\n" );
document.write( "6x - 9 = 2y + 3z\r\n" );
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document.write( "First arrange terms in alphabet order on the left\r\n" );
document.write( "and constant terms on the right, like this:\r\n" );
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document.write( "Put all the coefficients in a 3x3 matrix,\r\n" );
document.write( "multiplied by a 3x1 matrix of unknowns or \r\n" );
document.write( "variables, and set that equal to the 3x1\r\n" );
document.write( "matrix of constants on the right:\r\n" );
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document.write( "That's  form\r\n" );
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document.write( "because , \r\n" );
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document.write( "Edwin

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