document.write( "Question 149071: solve this equations. Write the solution as an ordered triple\r
\n" ); document.write( "\n" ); document.write( "5x + 3y + z =23
\n" ); document.write( "x - 3y + 2z =10
\n" ); document.write( "14x - 2y + 2z =85 \n" ); document.write( "

Algebra.Com's Answer #110285 by Edwin McCravy(20060) $\"\"$ $\"About$

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solve this equations. Write the solution as an ordered triple
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document.write( " 5x + 3y +  z = 23\r\n" );
document.write( "  x - 3y + 2z = 10\r\n" );
document.write( "14x - 2y + 2z = 85\r\n" );
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document.write( "Below is the answer.  I didn't show you how because\r\n" );
document.write( "there are at least 5 different ways to solve such systems \r\n" );
document.write( "of equations.\r\n" );
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document.write( "1. Elimination by addition, subtraction, and substitution.\r\n" );
document.write( "2. Determinants (Cramer's tule)\r\n" );
document.write( "3. Gaussian elimination with back-substitution (matrices)\r\n" );
document.write( "4. Row reduced echelon form (matrix)\r\n" );
document.write( "5. AX=B (inverse matrix method).\r\n" );
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document.write( "Post again telling which method you are studying and we'll\r\n" );
document.write( "show you how to do it by whatever method that is.\r\n" );
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document.write( "Answer:  (x, y, z) = (, , )\r\n" );
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document.write( "That's an ugly answer but it's correct for what you typed above.\r\n" );
document.write( "Be sure you typed it correctly.\r\n" );
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document.write( "Edwin

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