document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=19560>Question 19560</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find the solution of the exponential aquation<BR>\n" );
document.write( "                    2^1-x = 19<BR>\n" );
document.write( "in ters of logarithms or correct to four decimal places. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #9453 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=9453\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%5E%281-x%29+=+19 ALIGN=MIDDLE  ALT=\"2%5E%281-x%29+=+19\"   DISABLED_style= \"max-width:90%; height:auto;\" > Take the log of both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%281-x%29log2+=+log19 ALIGN=MIDDLE  ALT=\"%281-x%29log2+=+log19\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides of the equation by log2<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1-x+=+%28log19%29%2F%28log2%29 ALIGN=MIDDLE  ALT=\"1-x+=+%28log19%29%2F%28log2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Add x to both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1+=+%28log19%29%2F%28log2%29+%2B+x ALIGN=MIDDLE  ALT=\"1+=+%28log19%29%2F%28log2%29+%2B+x\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28log19%29%2F%28log2%29 ALIGN=MIDDLE  ALT=\"%28log19%29%2F%28log2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > from both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1+-+%28log19%29%2F%28log2%29+=+x ALIGN=MIDDLE  ALT=\"1+-+%28log19%29%2F%28log2%29+=+x\"   DISABLED_style= \"max-width:90%; height:auto;\" > Evaluate.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+1+-+4.2479 ALIGN=MIDDLE  ALT=\"x+=+1+-+4.2479\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+-3.2479 ALIGN=MIDDLE  ALT=\"x+=+-3.2479\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "Check:\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%5E%281-%28-3.2479%29%29+=+2%5E4.2479 ALIGN=MIDDLE  ALT=\"2%5E%281-%28-3.2479%29%29+=+2%5E4.2479\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=18.9996 ALIGN=MIDDLE  ALT=\"18.9996\"   DISABLED_style= \"max-width:90%; height:auto;\" >  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );