document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1007802>Question 1007802</A>: <I><SPAN STYLE=\"word-break: break-all;\">  solve the equation check for extraneous solutions \r<BR>\n" );
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document.write( "7^2x=30 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #623647 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=623647\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 7^2x=30<BR>\n" );
document.write( "Take the ln of both sides...<BR>\n" );
document.write( "ln 7^2x = ln 30<BR>\n" );
document.write( "2x*ln 7 = ln 30<BR>\n" );
document.write( "2x = ln 30 / ln 7<BR>\n" );
document.write( "x = ln 30 /2*ln 7 = .874 </SPAN>\n" );
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