document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=395883>Question 395883</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Not sure if this is the right section, but Im having trouble with problems such as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28x%2B1%29%2F%28x-1%29=y ALIGN=MIDDLE  ALT=\"%28x%2B1%29%2F%28x-1%29=y\"   DISABLED_style= \"max-width:90%; height:auto;\" >, solve for x.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #280961 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=280961\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> It's not really a systems of equations problem...I have changed it to \"expressions involving variables.\"\r<BR>\n" );
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document.write( "Anyway, if we multiply by x-1 we get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B1+=+y%28x-1%29+=+yx+-+y ALIGN=MIDDLE  ALT=\"x%2B1+=+y%28x-1%29+=+yx+-+y\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Isolating the x terms we get\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+%28y%2B1%29%2F%28y-1%29 ALIGN=MIDDLE  ALT=\"x+=+%28y%2B1%29%2F%28y-1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Interesting, each equation is equal to its inverse function, so the two equations are symmetric about the line y = x.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2C+%28x%2B1%29%2F%28x-1%29%2C+x%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C+300%2C+-10%2C+10%2C+-10%2C+10%2C+%28x%2B1%29%2F%28x-1%29%2C+x%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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