document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=497849>Question 497849</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve for x.<BR>\n" );
document.write( "log1/2^x=-4 </SPAN>\n" );
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document.write( "log1/2^x=-4<BR>\n" );
document.write( "log (2^-x)=-4<BR>\n" );
document.write( "base(10) raised to log of number(-4)=number(2^-x)<BR>\n" );
document.write( "10^-4=2^-x<BR>\n" );
document.write( "take log of both sides<BR>\n" );
document.write( "-4log10=-xlog2<BR>\n" );
document.write( "log of base=1<BR>\n" );
document.write( "-4=-xlog2<BR>\n" );
document.write( "x=4/log2=13.2877 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );