document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=172127>Question 172127</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 5/x + 7/6 = 4/(x-4), solve for x.\r<BR>\n" );
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document.write( "I am confused as to how I come up with the LCD for these to be able to 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 #127171 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=127171\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5/x + 7/6 = 4/(x-4)<BR>\n" );
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document.write( "Since you have an equation you don't want an lcd, you want a least common<BR>\n" );
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document.write( "lcm = 6x(x-4)\r<BR>\n" );
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document.write( "Multiply thru by the lcm to get:<BR>\n" );
document.write( "5*6(x-4) + 7x(x-4) = 4*6x<BR>\n" );
document.write( "30x-120 + 7x^2-28 = 24x\r<BR>\n" );
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document.write( "7x^2 + 6x - 148 = 0\r<BR>\n" );
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document.write( "Solve with the quadratic formula<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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