document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1182948>Question 1182948</A>: <I><SPAN STYLE=\"word-break: break-all;\"> please help me solve\r<BR>\n" );
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document.write( "given that log 10 2x- log 10 (x-4)=1 <BR>\n" );
document.write( " find the value of x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #813064 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=813064\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%2810%2C2x%29+-+log%2810%2Cx-4%29+=+1 ALIGN=MIDDLE  ALT=\"log%2810%2C2x%29+-+log%2810%2Cx-4%29+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=log%2810%2C+%282x%29%2F%28x-4%29%29+=+1 ALIGN=MIDDLE  ALT=\"log%2810%2C+%282x%29%2F%28x-4%29%29+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282x%29%2F%28x-4%29+=+10 ALIGN=MIDDLE  ALT=\"%282x%29%2F%28x-4%29+=+10\"   DISABLED_style= \"max-width:90%; height:auto;\" >  ==> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2F%28x-4%29+=+5 ALIGN=MIDDLE  ALT=\"x%2F%28x-4%29+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<==> x = 5x - 20  ==> 20 = 4x  ==> x = 5.\r<BR>\n" );
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document.write( "By direct substitution you can check that indeed x = 5 is the solution to the original equation. </SPAN>\n" );
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