document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1313>Question 1313</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How would you solve this equation?<BR>\n" );
document.write( "2/r^2-r - 1 = 2/r-1 <BR>\n" );
document.write( "What does 'r' equal? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #468 by </B><A HREF=/tutors/aboutme.mpl?userid=DeepaEvangeline><B>DeepaEvangeline(15)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=DeepaEvangeline><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=468\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2/(r2-r) - 1 = 2(r-1)\r<BR>\n" );
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document.write( "2/r(r-1) - 1 = 2/(r-1)\r<BR>\n" );
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document.write( "Multiply the above eqn by r(r-1)\r<BR>\n" );
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document.write( "2 - r(r-1) = 2r<BR>\n" );
document.write( "2 - r2 + r = 2r<BR>\n" );
document.write( "2 - r2 + r - 2r = 0<BR>\n" );
document.write( "2 - 2r + r - r2 = 0<BR>\n" );
document.write( "2(1-r) + r(1-r) = 0<BR>\n" );
document.write( "(1-r)(2+r) = 0<BR>\n" );
document.write( "1-r = 0 -> r = 1 (not feasible)<BR>\n" );
document.write( "2+r = 0 -> r = -2\r<BR>\n" );
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document.write( "Therefore r = -2 </SPAN>\n" );
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