document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=620588>Question 620588</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the exponential equation.<BR>\n" );
document.write( "2x = 1/2\r<BR>\n" );
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document.write( "3x = 1/27\r<BR>\n" );
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document.write( "2-x = 16\r<BR>\n" );
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document.write( "4x = 0.5\r<BR>\n" );
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document.write( "8x = 1/4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #390263 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=390263\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve the exponential equation.<BR>\n" );
document.write( "2x = 1/2<BR>\n" );
document.write( "If x is the exponent:<BR>\n" );
document.write( "Use ^ for exponents.<BR>\n" );
document.write( "2^x = 1/2<BR>\n" );
document.write( "x = -1 by inspection.<BR>\n" );
document.write( "The long way:<BR>\n" );
document.write( "x*log(2) = log(1/2)<BR>\n" );
document.write( "x = log(1/2)/log(2)<BR>\n" );
document.write( "x = -1<BR>\n" );
document.write( "=====================<BR>\n" );
document.write( "Do the others the same way.<BR>\n" );
document.write( "3x = 1/27\r<BR>\n" );
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document.write( "2-x = 16\r<BR>\n" );
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document.write( "4x = 0.5\r<BR>\n" );
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document.write( "8x = 1/4 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );