document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=931021>Question 931021</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve for x: 10×3^x-1 -7 =243 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #565454 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=565454\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve for x: <BR>\n" );
document.write( "10×3^x-1 -7 =243<BR>\n" );
document.write( "3^(x-1)=250/10=25<BR>\n" );
document.write( "(x-1)(log(3)=log(25)<BR>\n" );
document.write( "x-1=log(25)/log(3)&#8776;2.93<BR>\n" );
document.write( "x=2.93+1=3.93 </SPAN>\n" );
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