document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=670482>Question 670482</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Im trying to help my son with signed numbers.  What are the basic rules for the signs in a equation?  Its been a while.  <BR>\n" );
document.write( "Thanks for your help!<BR>\n" );
document.write( "Linda </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #416942 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=416942\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If you have variables, like <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+ ALIGN=MIDDLE  ALT=\"+a+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+b+ ALIGN=MIDDLE  ALT=\"+b+\"   DISABLED_style= \"max-width:90%; height:auto;\" >, and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+c+ ALIGN=MIDDLE  ALT=\"+c+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "For multiplication:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28%2Ba%29%2A%28%2Bb%29+=+%2B%28a%2Ab%29+ ALIGN=MIDDLE  ALT=\"+%28%2Ba%29%2A%28%2Bb%29+=+%2B%28a%2Ab%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28-a%29%2A%28-b%29+=+%2B%28a%2Ab%29+ ALIGN=MIDDLE  ALT=\"+%28-a%29%2A%28-b%29+=+%2B%28a%2Ab%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28%2Ba%29%2A%28-b%29+=+-%28a%2Ab%29+ ALIGN=MIDDLE  ALT=\"+%28%2Ba%29%2A%28-b%29+=+-%28a%2Ab%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28-a%29%2A%28%2Bb%29+=+-%28a%2Ab%29+ ALIGN=MIDDLE  ALT=\"+%28-a%29%2A%28%2Bb%29+=+-%28a%2Ab%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "For addition with parentheses:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+%2B+%28+b+%2B+c+%29+=+a+%2B+b+%2B+c+ ALIGN=MIDDLE  ALT=\"+a+%2B+%28+b+%2B+c+%29+=+a+%2B+b+%2B+c+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+%2B+%28+b+-+c+%29+=+a+%2B+b+-+c+ ALIGN=MIDDLE  ALT=\"+a+%2B+%28+b+-+c+%29+=+a+%2B+b+-+c+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+-+%28+b+%2B+c+%29+=+a+-+b+-+c+ ALIGN=MIDDLE  ALT=\"+a+-+%28+b+%2B+c+%29+=+a+-+b+-+c+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+-+%28+b+-+c+%29+=+a+-b+%2B+c+ ALIGN=MIDDLE  ALT=\"+a+-+%28+b+-+c+%29+=+a+-b+%2B+c+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "Hope this helps\r<BR>\n" );
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document.write( " </SPAN>\n" );
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