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 #307732 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=307732\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1n (x+7) + 1n (x+3) = 1n77<BR>\n" );
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document.write( "It's LN, not 1n, means natural log.<BR>\n" );
document.write( "(x+7) * (x+3) = 77<BR>\n" );
document.write( "Check for integer solution.<BR>\n" );
document.write( "77 has only 2 factors, 7 and 11<BR>\n" );
document.write( "x+7 = 11<BR>\n" );
document.write( "x+3 = 7<BR>\n" );
document.write( "--> x = 4<BR>\n" );
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