document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=685597>Question 685597</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve each exponential equation for x. Give an exact solution and also approximate the solution to four decimals \r<BR>\n" );
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document.write( "2*5^(x-1)=1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #424505 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=424505\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve each exponential equation for x. Give an exact solution and also approximate the solution to four decimals <BR>\n" );
document.write( "2*5^(x-1)=1<BR>\n" );
document.write( "log2+(x-1)log5=log1<BR>\n" );
document.write( "log1=0<BR>\n" );
document.write( "log2+(x-1)log5=0<BR>\n" );
document.write( "log2+(x-1)log5=-log2<BR>\n" );
document.write( "x-1=-log2/log5<BR>\n" );
document.write( "x=(-log2/log5)+1 (exact solution)<BR>\n" );
document.write( "x=0.5963.. </SPAN>\n" );
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