document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=746310>Question 746310</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If 2x+3y=24 and 2x-3y=12 then value of xy is_____________ </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #454218 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=454218\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x + 3y = 24.....1<BR>\n" );
document.write( "2x - 3y = 12.....2\r<BR>\n" );
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document.write( "Add 1 to 2\r<BR>\n" );
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document.write( "4x      = 36<BR>\n" );
document.write( " x      = 9\r<BR>\n" );
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document.write( "Substitute x = 9<BR>\n" );
document.write( "into 1\r<BR>\n" );
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document.write( "2(9) + 3y = 24<BR>\n" );
document.write( " 18  + 3y = 24<BR>\n" );
document.write( "       3y = 24 - 18<BR>\n" );
document.write( "       3y = 6<BR>\n" );
document.write( "        y = 2\r<BR>\n" );
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document.write( "Therefore value of xy = 9 x 2 = 18 </SPAN>\n" );
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