document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=234055>Question 234055</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me to solve the system:                                                                                                    r+d=9<BR>\n" );
document.write( "                         r-d=-5<BR>\n" );
document.write( "                                                                              </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #172629 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=172629\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> solve the system: <BR>\n" );
document.write( "r+d=9<BR>\n" );
document.write( "r-d=-5<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "Add the two equations and solve for \"r\":<BR>\n" );
document.write( "2r = 4<BR>\n" );
document.write( "r = 2<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "Substitute into r+d = 9 to solve for \"d\":<BR>\n" );
document.write( "2+d = 9<BR>\n" );
document.write( "d = 7<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );