document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=627835>Question 627835</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Is this statement true or not?\r<BR>\n" );
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document.write( "The set of even integers is closed under subtraction? Why or why not?\r<BR>\n" );
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document.write( "Please help me im having hard time :( </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #395174 by </B><A HREF=/tutors/aboutme.mpl?userid=reviewermath><B>reviewermath(1029)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=reviewermath><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=reviewermath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=395174\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> true:<BR>\n" );
document.write( "Let the x and y be even integers, then<BR>\n" );
document.write( "x = 2m for some integer m and<BR>\n" );
document.write( "y = 2n for some integer n<BR>\n" );
document.write( "Their difference is<BR>\n" );
document.write( "x - y = 2m - 2n = 2(m - n)<BR>\n" );
document.write( "Since x - y is a multiple of 2 then we can say that the set of even integers is closed under subtraction.<BR>\n" );
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