document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=171125>Question 171125</A>: <I><SPAN STYLE=\"word-break: break-all;\"> log5(x+7)+log5(x-7)=2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #126344 by </B><A HREF=/tutors/aboutme.mpl?userid=KnightOwlTutor><B>KnightOwlTutor(293)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KnightOwlTutor><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=KnightOwlTutor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=126344\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> we know that 5^2=25\r<BR>\n" );
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document.write( "therefore x+7+x-7=25\r<BR>\n" );
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document.write( "Simplify\r<BR>\n" );
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document.write( "2x=25\r<BR>\n" );
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document.write( "Divide both sides by 2\r<BR>\n" );
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document.write( "x=12.5\r<BR>\n" );
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document.write( "Plug into the equation to doublecheck\r<BR>\n" );
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document.write( "12.5+7=19.5\r<BR>\n" );
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document.write( "12.5-7=5.5\r<BR>\n" );
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document.write( "19.5+5.5=25\r<BR>\n" );
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document.write( " </SPAN>\n" );
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