document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=20920>Question 20920</A>: <I><SPAN STYLE=\"word-break: break-all;\"> My teacher told me  that u need to cancel out one of the variables. And when i do that it ends up canceling out both. How do i do it so it doesn't?\r<BR>\n" );
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document.write( "8m-2n=-16<BR>\n" );
document.write( "2m-.5n=-4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #10734 by </B><A HREF=/tutors/aboutme.mpl?userid=khwang><B>khwang(438)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=khwang><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=10734\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  Hi:<BR>\n" );
document.write( " If you found something wrong try again, calm down , sit and think.<BR>\n" );
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document.write( " Change <BR>\n" );
document.write( " 8m-2n=-16<BR>\n" );
document.write( " 2m-.5n=-4 into\r<BR>\n" );
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document.write( " 4m-n =-8<BR>\n" );
document.write( " 4m-n= -8 \r<BR>\n" );
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document.write( " by suing your eyes, absoltely no calculator, and no need pen or pencil.\r<BR>\n" );
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document.write( " You will see they are the same equation. Tjis means they are linearly independent<BR>\n" );
document.write( " (or two parallel lines ) and have infinitely many solutions.\r<BR>\n" );
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document.write( " Kenny<BR>\n" );
document.write( " PS:   This belongs to (baby )linear system, not in linear algebra.<BR>\n" );
document.write( " A serious mistake of posting pin wrong category here.<BR>\n" );
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