document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=390008>Question 390008</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve for the unknowns simultaneously:<BR>\n" );
document.write( "2logy = log2 + logx and 2^y = 4^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 #276480 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=276480\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2logy = log2 + logx ___ y^2 = 2x\r<BR>\n" );
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document.write( "2^y = 4^x ___ 2^y = (2^2)^x ___ y = 2x\r<BR>\n" );
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document.write( "substituting ___ y^2 = y ___ so y equals zero or one\r<BR>\n" );
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document.write( "the log of zero is undefined , so ___ y = 1\r<BR>\n" );
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document.write( "substituting ___ (1) = 2x ___ 1/2 = x </SPAN>\n" );
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