document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1135110>Question 1135110</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Prove that is a > b and c > d, then a + c > b + d. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #752656 by </B><A HREF=/tutors/aboutme.mpl?userid=math_helper><B>math_helper(2461)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=math_helper><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=math_helper><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=752656\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Prove that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+cross%28is%29 ALIGN=MIDDLE  ALT=\"+cross%28is%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > if a > b and c > d, then a + c > b + d.\r<BR>\n" );
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document.write( "a > b  -->   a = b+k  for some k>0<BR>\n" );
document.write( "c > d  -->   c = d+m  for some m>0 <br>\r<BR>\n" );
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document.write( "a+c = (b+k)+(d+m) = (b+d)+(k+m) > b+d, QED. </SPAN>\n" );
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