document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=418720>Question 418720</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if ((8^x)(9^2y))=81(2^12y) what does x equal?\r<BR>\n" );
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document.write( "I have no idea where to start on this one. <BR>\n" );
document.write( "I had trouble writing this equation, if I were to read it I would say \"if eight to the x times nine to the two y equals 81 times two to the 12 y, what does x equal?\r<BR>\n" );
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document.write( "Thank you so much! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #292972 by </B><A HREF=/tutors/aboutme.mpl?userid=sudhanshu_kmr><B>sudhanshu_kmr(1152)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=sudhanshu_kmr><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=sudhanshu_kmr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=292972\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "((8^x)(9^2y))=81(2^12y)\r<BR>\n" );
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document.write( "=> 2^(3x) * 3^(4y) = 3^4 * 2^(12y)\r<BR>\n" );
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document.write( "here we use only exponential value at prime numbers.\r<BR>\n" );
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document.write( "now compare exponential value....\r<BR>\n" );
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document.write( "3x = 12 y \r<BR>\n" );
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document.write( "and 4y = 4 \r<BR>\n" );
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document.write( "so, after solving these two equations,  y = 1 ,  x = 4 \r<BR>\n" );
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document.write( " </SPAN>\n" );
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