document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=136220>Question 136220</A>: <I><SPAN STYLE=\"word-break: break-all;\"> SOLVE THE SYSTEM USING THE GAUSS-JORDAN METHOD<BR>\n" );
document.write( "PROBLEM: 2x-y= 0<BR>\n" );
document.write( "          x+y= 3\r<BR>\n" );
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document.write( "I'M STILL VERY CONFUSED BY THE SOLVING PROCESS.. I DO UNDERSTAND THE BASIC FORMULA [ 1 0.. AND BENEATH THAT IS 0 1..] AND I DO UNDERSTAND HOW TO FIRST SET IT UP...   [ 2 -1..0]<BR>\n" );
document.write( "           [ 1 1..3]<BR>\n" );
document.write( "YET FROM HERE I JUST GET FRUSTRATED AND IT SEEMS LIKE NO MATTER HOW MANY TIMES I TRY, I GET NOWHERE.. PLEASE HELP.. THANK YOU SO MUCH, lj23kfuller@yahoo.com </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #99792 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=99792\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%282%2C3%2C2%2C-1%2C0%2C1%2C1%2C3%29%29 ALIGN=MIDDLE  ALT=\"%28matrix%282%2C3%2C2%2C-1%2C0%2C1%2C1%2C3%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Swap row 1 and row 2:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%282%2C3%2C1%2C1%2C3%2C2%2C-1%2C0%29%29 ALIGN=MIDDLE  ALT=\"%28matrix%282%2C3%2C1%2C1%2C3%2C2%2C-1%2C0%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Multiply row 1 by -2, then add the result to row 2, replacing row 2 with the result:<BR>\n" );
document.write( "Row 1 times -2 is -2, -2, -6<BR>\n" );
document.write( "Result added to row 2 is 2-2=0, -1-2=-3, 0-6=-6, so:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%282%2C3%2C1%2C1%2C3%2C0%2C-3%2C-6%29%29 ALIGN=MIDDLE  ALT=\"%28matrix%282%2C3%2C1%2C1%2C3%2C0%2C-3%2C-6%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Multiply row 2 by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-1%2F3 ALIGN=MIDDLE  ALT=\"-1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > and replace row 2 with the result:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%282%2C3%2C1%2C1%2C3%2C0%2C1%2C2%29%29 ALIGN=MIDDLE  ALT=\"%28matrix%282%2C3%2C1%2C1%2C3%2C0%2C1%2C2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Multiply row 2 by -1, then add the result to row 1, replacing row 1 with the result:<BR>\n" );
document.write( "Row 2 times -1 is 0, -1, -2<BR>\n" );
document.write( "Result added to row 1 is 1+0=1, 1-1=0, 3-2=1, so:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28matrix%282%2C3%2C1%2C0%2C1%2C0%2C1%2C2%29%29 ALIGN=MIDDLE  ALT=\"%28matrix%282%2C3%2C1%2C0%2C1%2C0%2C1%2C2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=1 ALIGN=MIDDLE  ALT=\"x=1\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y=2 ALIGN=MIDDLE  ALT=\"y=2\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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