document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1074627>Question 1074627</A>: <I><SPAN STYLE=\"word-break: break-all;\"> find x if 4^x+5^x=7^x<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 #689271 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=689271\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> find x if 4^x+5^x=7^x<BR>\n" );
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document.write( "There's no algebraic solution.<BR>\n" );
document.write( "By graphing,<BR>\n" );
document.write( "x =~ 1.5816234<BR>\n" );
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document.write( "And, 4^x + 5^x - 7^x approaches zero as x approaches negative infinity.<BR>\n" );
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