document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=271879>Question 271879</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1.solve for x<BR>\n" );
document.write( "log4 x^5=-1\r<BR>\n" );
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document.write( "2.solve for x in terms of k<BR>\n" );
document.write( "log9 x + log9(x+9)=k\r<BR>\n" );
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document.write( "x=?<BR>\n" );
document.write( "find x if k = 10\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #198958 by </B><A HREF=/tutors/aboutme.mpl?userid=dabanfield><B>dabanfield(803)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dabanfield><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=198958\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 1.solve for x<BR>\n" );
document.write( "log4 x^5=-1 <BR>\n" );
document.write( "2.solve for x in terms of k<BR>\n" );
document.write( "log9 x + log9(x+9)=k <BR>\n" );
document.write( "x=?<BR>\n" );
document.write( "find x if k = 10 \r<BR>\n" );
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document.write( "1.) log (base 4) x^5 = -1 so<BR>\n" );
document.write( "    5*log (base 4) x = -1<BR>\n" );
document.write( "    log (base 4) x = -1/5 so by definition of the log then<BR>\n" );
document.write( "    4^(-1/5) = x\r<BR>\n" );
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document.write( "2.) log9 x + log9 (x+9) = k  so<BR>\n" );
document.write( "    log9 (9*(x+9)) = k so by definition of a log:<BR>\n" );
document.write( "    9^k = 9*(x+9)<BR>\n" );
document.write( "    9^k = 9x + 81<BR>\n" );
document.write( "    9x = 9^k-81<BR>\n" );
document.write( "    x = 9^k/9-(81/9)<BR>\n" );
document.write( "    x = 9^(k-1) - 9\r<BR>\n" );
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document.write( "When k = 10 then x = 9^(10-1)- 9<BR>\n" );
document.write( "                 x = 9^9 - 9<BR>\n" );
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document.write( "         </SPAN>\n" );
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