document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=981666>Question 981666</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Ed weighs 10 kilograms more than his sister  Debbie. Their combined weight is 120 kilograms. How many kilograms does Ed weigh? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #602639 by </B><A HREF=/tutors/aboutme.mpl?userid=JulietG><B>JulietG(1812)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JulietG><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=JulietG><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=602639\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> E + D = 120 (Their combined weight is 120 kilograms.)<BR>\n" );
document.write( "E = D + 10 (Ed weighs 10 kilograms more than his sister  Debbie)<BR>\n" );
document.write( "Substitute the known value of E from the second equation into the first.<BR>\n" );
document.write( "(D+10) + D = 120<BR>\n" );
document.write( "2D + 10 = 120<BR>\n" );
document.write( "Subtract 10 from each side<BR>\n" );
document.write( "2D = 110<BR>\n" );
document.write( "Divide each side by 2<BR>\n" );
document.write( "D = 55<BR>\n" );
document.write( "Debbie weighs 55kg and Ed weighs 65kg </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );