document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=625450>Question 625450</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve for x<BR>\n" );
document.write( "4.2^x = (0.5)^x-2\r<BR>\n" );
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document.write( "and\r<BR>\n" );
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document.write( "8^-x = 2.4^x-1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #393529 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=393529\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve for x<BR>\n" );
document.write( "4.2^x = (0.5)^x-2<BR>\n" );
document.write( "x*log(4.2) = (x-2)*log(0.5) = x*log(0.5) - 2log(0.5)<BR>\n" );
document.write( "x*log(4.2) - x*log(0.5) = -2log(0.5)<BR>\n" );
document.write( "x = -2log(0.5)/(log(4.2 - log(0.5))<BR>\n" );
document.write( "Calculator work<BR>\n" );
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document.write( "and\r<BR>\n" );
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document.write( "8^-x = 2.4^x-1<BR>\n" );
document.write( "Do it like the 1st one.<BR>\n" );
document.write( " </SPAN>\n" );
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