document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=313485>Question 313485</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how do you find a logarithm set say the question is <BR>\n" );
document.write( "7^4x-13=343?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #224133 by </B><A HREF=/tutors/aboutme.mpl?userid=nyc_function><B>nyc_function(2741)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nyc_function><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=nyc_function><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=224133\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Are you looking for x?\r<BR>\n" );
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document.write( "If so, 434 = 7^3.\r<BR>\n" );
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document.write( "7^(4x - 13) = 7^(3)\r<BR>\n" );
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document.write( "Since we now have the same base 7 on both sides, bring down and equate all exponents.\r<BR>\n" );
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document.write( "4x - 13 = 3\r<BR>\n" );
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document.write( "4x = 3 + 13\r<BR>\n" );
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document.write( "4x = 16\r<BR>\n" );
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document.write( "x = 16/4\r<BR>\n" );
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document.write( "x = 4\r<BR>\n" );
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document.write( "Is this what you need? </SPAN>\n" );
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