document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=50143>Question 50143</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0028250419/algebrahomeworkh>pre-algebra practice workbook</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> hey i need help with the associative property with this problem in my workbook. it says (15+x)+2=2+(15+x) and i missed it when i put what property it was in. i put associative(+). i had a problem similar to that and i put associative (+)&(x) and i still got that problem wrong.so i'm not sure why and i was wondering if you could help me.<BR>\n" );
document.write( "                sincerally,<BR>\n" );
document.write( "          in need of pre-algebra help<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #33324 by </B><A HREF=/tutors/aboutme.mpl?userid=lkwtcnj><B>lkwtcnj(8)</B></A><img src=\"/images/stars/stars-05.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lkwtcnj><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=33324\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> That would be the commutative property (of addition), which says:<BR>\n" );
document.write( "a + b = b + a<BR>\n" );
document.write( "If you let a = (15 + x) and b = 2, you can see why this works. <BR>\n" );
document.write( "The associative property says that you can move the parenthesis, but only when everything is in the same order:<BR>\n" );
document.write( "a + (b + c) = (a + b) + c </SPAN>\n" );
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