document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=446792>Question 446792</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help solving this problem:\r<BR>\n" );
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document.write( "1n (x+7) + 1n (x+3) = 1n77 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #307726 by </B><A HREF=/tutors/aboutme.mpl?userid=chriswen><B>chriswen(106)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=chriswen><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=307726\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1n (x+7) + 1n (x+3) = 1n77<BR>\n" );
document.write( "ln x + ln 7 + ln x + ln 3 = ln 77 ****** Problem here<BR>\n" );
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document.write( "2 ln x + ln 7*3 = ln77<BR>\n" );
document.write( "2 ln x = ln 77 - ln 21<BR>\n" );
document.write( "ln x^2 = ln 77/21<BR>\n" );
document.write( "x^2 = 77/21<BR>\n" );
document.write( "x = sqrt (77/21)<BR>\n" );
document.write( "x = 1.915<BR>\n" );
document.write( "x must be positive as you can't have negative ln. </SPAN>\n" );
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