document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=980591>Question 980591</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve equation:\r<BR>\n" );
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document.write( "log base 2 of X plus log base 2 of (3X+1) = 1\r<BR>\n" );
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document.write( "Answer in my book says, 2/3  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #601714 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=601714\">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%282%2C%28x%29%29%2Blog%282%2C%283x%2B1%29%29=1 ALIGN=MIDDLE  ALT=\"log%282%2C%28x%29%29%2Blog%282%2C%283x%2B1%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=log%282%2C%28x%2A%283x%2B1%29%29%29=1 ALIGN=MIDDLE  ALT=\"log%282%2C%28x%2A%283x%2B1%29%29%29=1\"   DISABLED_style= \"max-width:90%; height:auto;\" > Use <a  rel=nofollow HREF=\"http://www.purplemath.com/modules/logrules.htm\">rule 1</a>\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2A%283x%2B1%29=2%5E1 ALIGN=MIDDLE  ALT=\"x%2A%283x%2B1%29=2%5E1\"   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=x%2A%283x%2B1%29=2 ALIGN=MIDDLE  ALT=\"x%2A%283x%2B1%29=2\"   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=3x%5E2%2Bx=2 ALIGN=MIDDLE  ALT=\"3x%5E2%2Bx=2\"   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=3x%5E2%2Bx-2=0 ALIGN=MIDDLE  ALT=\"3x%5E2%2Bx-2=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Use the quadratic formula to get the solutions <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+2%2F3 ALIGN=MIDDLE  ALT=\"x+=+2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+-1 ALIGN=MIDDLE  ALT=\"x+=+-1\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The value <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+-1 ALIGN=MIDDLE  ALT=\"x+=+-1\"   DISABLED_style= \"max-width:90%; height:auto;\" > is NOT allowed because logs aren't defined when you plug in negative x values\r<BR>\n" );
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document.write( "The only solution is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+2%2F3 ALIGN=MIDDLE  ALT=\"x+=+2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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