document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=631667>Question 631667</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the equation.<BR>\n" );
document.write( "1) 4 ^x = 9 ^(1 - x) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #397743 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=397743\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4^x = 9^(1 - x)<BR>\n" );
document.write( "take the log of both sides:<BR>\n" );
document.write( "log 4^x = log 9^(1 - x)<BR>\n" );
document.write( "xlog 4 = (1 - x)log 9<BR>\n" );
document.write( "xlog 4 = log 9 - xlog 9<BR>\n" );
document.write( "xlog 4 + xlog 9 = log 9<BR>\n" );
document.write( "x(log 4 + log 9) = log 9<BR>\n" );
document.write( "x = log 9/(log 4 + log 9)<BR>\n" );
document.write( "x = 0.6131\r<BR>\n" );
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document.write( " </SPAN>\n" );
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