document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=454991>Question 454991</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hello, I need help with this problem:\r<BR>\n" );
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document.write( "Solve logarithmic equation    log(3x+15)=2  and write 5 lnx + 1/2 lny - 4 lnz as a single logarithm.\r<BR>\n" );
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document.write( "Thank you very much. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #312393 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=312393\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve logarithmic equation log(3x+15)=2 and write 5 lnx + 1/2 lny - 4 lnz as a single logarithm. <BR>\n" );
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document.write( "log(3x+15)=2<BR>\n" );
document.write( "(3x+15)= 10^2<BR>\n" );
document.write( "3x+15= 100<BR>\n" );
document.write( "3x = 85<BR>\n" );
document.write( "x = 85/3 (exact answer)<BR>\n" );
document.write( "x = 28.33 (approx decimal answer)<BR>\n" );
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document.write( "5 lnx + 1/2 lny - 4 lnz<BR>\n" );
document.write( "lnx^5 + lny^(1/2) - lnz^4<BR>\n" );
document.write( "ln x^5y^(1/2) - lnz^4<BR>\n" );
document.write( "ln x^5y^(1/2)/z^4<BR>\n" );
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