document.write( "Question 639518: Use the Gauss-Jordan method to solve each system equation.\r
\n" ); document.write( "\n" ); document.write( "x = 1 - y
\n" ); document.write( "2x = z
\n" ); document.write( "2z = -2 - y
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Algebra.Com's Answer #402777 by MathLover1(20849)\"\" \"About 
You can put this solution on YOUR website!
\"x+=+1+-y\"
\n" ); document.write( "\"2x+=+z\"
\n" ); document.write( "\"2z+=+-2-y\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"x+%2By%2B0=+1\"
\n" ); document.write( "\"2x%2B0-z+=0\"
\n" ); document.write( "\"0%2By%2B2z+=-2\"\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "Add (-2 * row1) to row2\r
\n" ); document.write( "\n" ); document.write( "1|. 1|.. 0|..1|
\n" ); document.write( "0| -2| -1|.-2|
\n" ); document.write( "0|.1 |..2 |..-2\r
\n" ); document.write( "\n" ); document.write( "------------------------------
\n" ); document.write( "Divide row2 by -2\r
\n" ); document.write( "\n" ); document.write( "1|1|..0|1
\n" ); document.write( "0|1|1/2|1
\n" ); document.write( "0|1|..2|-2
\n" ); document.write( "------------------------------\r
\n" ); document.write( "\n" ); document.write( "Add (-1 * row2) to row3\r
\n" ); document.write( "\n" ); document.write( "1|1|...0|1
\n" ); document.write( "0|1|1/2|1
\n" ); document.write( "0|0|3/2|-3
\n" ); document.write( "-----------------------------\r
\n" ); document.write( "\n" ); document.write( "Divide row3 by 3/2\r
\n" ); document.write( "\n" ); document.write( "1|1|...0|1
\n" ); document.write( "0|1|1/2|1
\n" ); document.write( "0|0|..1|-2
\n" ); document.write( "----------------------------\r
\n" ); document.write( "\n" ); document.write( "Add (-1/2 * row3) to row2\r
\n" ); document.write( "\n" ); document.write( "1|1|0|-1
\n" ); document.write( "0|1|0|2
\n" ); document.write( "0|0|1|-2 \r
\n" ); document.write( "\n" ); document.write( "solutions: \"x=-1\", \"y=2\", and \"z=-2\"\r
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