document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=390372>Question 390372</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 13 - 51<BR>\n" );
document.write( "15 - 49<BR>\n" );
document.write( "22 - 42<BR>\n" );
document.write( "33 - 31<BR>\n" );
document.write( "36 - 28\r<BR>\n" );
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document.write( "Input / output .. I need the Rule here thanks I am stuck<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 #276773 by </B><A HREF=/tutors/aboutme.mpl?userid=jerryguo41><B>jerryguo41(197)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jerryguo41><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=jerryguo41><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=276773\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 13  -  51 <BR>\n" );
document.write( "(+2)-(-2)<BR>\n" );
document.write( "15  -  49<BR>\n" );
document.write( "(+7)-(-7) <BR>\n" );
document.write( "22  -  42\r<BR>\n" );
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document.write( "Starting at 1 - 63 you can add to input the same amount as you subtract from output.<BR>\n" );
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