document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=814080>Question 814080</A>: <I><SPAN STYLE=\"word-break: break-all;\"> One number is 4 more than 2 times another. Their product is 16. Find the numbers. <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 #806008 by </B><A HREF=/tutors/aboutme.mpl?userid=CubeyThePenguin><B>CubeyThePenguin(3113)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=CubeyThePenguin><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=CubeyThePenguin><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=806008\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = 2y + 4<BR>\n" );
document.write( "xy = 16\r<BR>\n" );
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document.write( "Substitute the first equation into the second.\r<BR>\n" );
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document.write( "(2y + 4)(y) = 16<BR>\n" );
document.write( "2y^2 + 4y - 16 = 0<BR>\n" );
document.write( "y^2 + 2y - 8 = 0<BR>\n" );
document.write( "(y + 4)(y - 2) = 0<BR>\n" );
document.write( "y = -4 or y = 2\r<BR>\n" );
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document.write( "solutions: (x, y) = (-4, -4) or (8, 2) </SPAN>\n" );
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