document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=569367>Question 569367</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you solve for x in the equation 7.2^x-4=8.21?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #367567 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=367567\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do you solve for x in the equation <BR>\n" );
document.write( "7.2^x-4=8.21?<BR>\n" );
document.write( "7.2^x=8.21+4=12.21<BR>\n" );
document.write( "take log of both sides<BR>\n" );
document.write( "xlog7.2=log12.21<BR>\n" );
document.write( "x=log12.21/log7.2<BR>\n" );
document.write( "using calculator<BR>\n" );
document.write( "x&#8776;1.2676<BR>\n" );
document.write( "..<BR>\n" );
document.write( "Check:<BR>\n" );
document.write( "7.2^1.2676-4&#8776;8.21<BR>\n" );
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