document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=530826>Question 530826</A>: <I><SPAN STYLE=\"word-break: break-all;\"> sue and manuel collect model trains, sue has one more train than manuel has, together they have 13 trains, how many trains do each of them have? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #350218 by </B><A HREF=/tutors/aboutme.mpl?userid=oberobic><B>oberobic(2304)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=oberobic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=350218\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> By observation, we can say that Sue has 7 and Manuel has 6.<BR>\n" );
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document.write( "Algebraically, we can show this is true.<BR>\n" );
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document.write( "x = Sue's trains<BR>\n" );
document.write( "y = Manuel's trains<BR>\n" );
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document.write( "x + y = 13<BR>\n" );
document.write( "so<BR>\n" );
document.write( "x = 13-y<BR>\n" );
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document.write( "x = y + 1  (given)<BR>\n" );
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document.write( "x = x<BR>\n" );
document.write( "so<BR>\n" );
document.write( "13-y = y +1<BR>\n" );
document.write( "12 = 2y<BR>\n" );
document.write( "2y = 12<BR>\n" );
document.write( "y = 6<BR>\n" );
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document.write( "x = y+1<BR>\n" );
document.write( "x = 7<BR>\n" );
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document.write( "Done. </SPAN>\n" );
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