document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1008364>Question 1008364</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I get the inverse y=f(x)<BR>\n" );
document.write( "y= 5x-9/3x-7\r<BR>\n" );
document.write( "\n" );
document.write( "After I multiply the reciprocal and wipe out 3x-7 on the right, I just don't know how to do the left side.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #624093 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=624093\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do I get the inverse y=f(x)<BR>\n" );
document.write( "y= 5x-9/3x-7 <BR>\n" );
document.write( "--------<BR>\n" );
document.write( "1st: Interchange x and y to get:<BR>\n" );
document.write( "x = (5y-9)/(3y-7)<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "2nd:: Solve for \"y\"::<BR>\n" );
document.write( "Cross-multiply to get:<BR>\n" );
document.write( "3xy-x = 5y-9<BR>\n" );
document.write( "---<BR>\n" );
document.write( "3xy-5y = x-9<BR>\n" );
document.write( "----<BR>\n" );
document.write( "y(3x-5) = x-9<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "y = (x-9)/(3x-5)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "That is the inverse.<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "----------- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );