document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=91745>Question 91745</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What property justifies these steps?\r<BR>\n" );
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document.write( "6a + (8b +2a)\r<BR>\n" );
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document.write( "  =(6 + 2a) +8b\r<BR>\n" );
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document.write( "  =8a + 8b\r<BR>\n" );
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document.write( "8a^2 + (8a+a^2) +7a\r<BR>\n" );
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document.write( "=(8a^2 + a^2) + (8a +7a) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #66639 by </B><A HREF=/tutors/aboutme.mpl?userid=mathispowerful><B>mathispowerful(115)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mathispowerful><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=66639\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> In both expressions, commutative property is used, since the order of algebraic terms is changed. </SPAN>\n" );
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