document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=957809>Question 957809</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find value of x\r<BR>\n" );
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document.write( "log 2 base of x+log(x-7)=3 is the same as logx(2) + log(x-7) = 3\r<BR>\n" );
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document.write( "the graph is shown below:\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #585344 by </B><A HREF=/tutors/aboutme.mpl?userid=Theo><B>Theo(13342)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Theo><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=Theo><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=585344\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> log2(x) + log(x-7) = 3 doesn't have a solution as far as i can see.\r<BR>\n" );
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document.write( "i couldn't solve it algebraically, but i could solve it graphically.\r<BR>\n" );
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document.write( "the solution is x = 794.40479.\r<BR>\n" );
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document.write( "when x = 794.40479, the graph of y = logx(2) + log(x-7) is equal to 3.\r<BR>\n" );
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document.write( "it will then intersect with the line of y = 3.\r<BR>\n" );
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document.write( "logx(2) is the same as log(2) / log(x), so the equation that was graphed was y = log(2)/log(x) + log(x-7)\r<BR>\n" );
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document.write( "log without a base is assumed to be a base of 10 by convention.\r<BR>\n" );
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document.write( "here's the graph.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" src = \"http://theo.x10hosting.com/2015/032304.jpg\" alt=\"$$$\" </>\r<BR>\n" );
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