document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=43874>Question 43874</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Solve to four decimal places:log(4) (x-9)=2.\r<BR>\n" );
document.write( "\n" );
document.write( "Thank You </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #28819 by </B><A HREF=/tutors/aboutme.mpl?userid=longjonsilver><B>longjonsilver(2297)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=longjonsilver><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=longjonsilver><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=28819\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> i shall write log-base4 as just log, for ease:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Now we have log(x-9)=2. To remove the log(4) we need to raise both sides to power 4:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x-9+=+4%5E2+ ALIGN=MIDDLE  ALT=\"+x-9+=+4%5E2+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x-9 = 16<BR>\n" );
document.write( "x = 25\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "if you really need it to 4dp: 25.0000\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "jon.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );