document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=551058>Question 551058</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are birds on two trees.If a bird flew from first to second tree then there are equal number of birds on each tree.However if a bird flew from second to first tree then the birds on first tree are double than the birds on second tree.How many birds are on each tree? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #359335 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=359335\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let there be x birds on tree 1<BR>\n" );
document.write( "y birds on tree2\r<BR>\n" );
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document.write( "one flies from tree 1\r<BR>\n" );
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document.write( "x-1= y+1<BR>\n" );
document.write( "x-y=2............1\r<BR>\n" );
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document.write( "One flies from tree2\r<BR>\n" );
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document.write( "x+1 = 2(y-1)<BR>\n" );
document.write( "x+1 =2y-2<BR>\n" );
document.write( "x-2y=-3...............2\r<BR>\n" );
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document.write( "multiply equation (1) by -1<BR>\n" );
document.write( "-x+y =-2<BR>\n" );
document.write( "add to (2)<BR>\n" );
document.write( "x-2y=-3\r<BR>\n" );
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document.write( "-y = -5<BR>\n" );
document.write( "y=5\r<BR>\n" );
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document.write( "plug y =5 in any equation<BR>\n" );
document.write( "we get x=7\r<BR>\n" );
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document.write( "tree 1 has 7 birds<BR>\n" );
document.write( "& tree 2 has 5 birds\r<BR>\n" );
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document.write( " </SPAN>\n" );
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