document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=985776>Question 985776</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with these problems\r<BR>\n" );
document.write( "\n" );
document.write( "X(Yz)=x(zy)<BR>\n" );
document.write( "2(x+y)=2x+2y<BR>\n" );
document.write( "(X+y)+z=(y+x)+z<BR>\n" );
document.write( "(X+y)+z=x+(y+z)<BR>\n" );
document.write( "2[x(a+d)]=[2x](a+d)\r<BR>\n" );
document.write( "\n" );
document.write( "I need to know which ones are commutative, associative, identity, or inverse </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #606570 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=606570\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> X(Yz)=x(zy):: y and z changed places::: commutative<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "2(x+y)=2x+2y::: mult. by 2 distributed over addition:: distributive<BR>\n" );
document.write( "-----------------------------<BR>\n" );
document.write( "(X+y)+z=(y+x)+z:: x and y changed places:: commutative<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "(X+y)+z=x+(y+z):: grouping changes:: associative<BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "2[x(a+d)]=[2x](a+d):: grouping changed:: associative<BR>\n" );
document.write( "-------------------------------------------- <BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "----------- </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );