document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=840296>Question 840296</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 3.2 + (x + 5.1)=<BR>\n" );
document.write( "Simplify the expression.<BR>\n" );
document.write( "Explain each step.<BR>\n" );
document.write( "Which properties of math did you use.\r<BR>\n" );
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document.write( "My son originally got 8.3x but it was wrong. Thanks in advance. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #506083 by </B><A HREF=/tutors/aboutme.mpl?userid=richard1234><B>richard1234(7193)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richard1234><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=richard1234><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=506083\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Correct is 8.3 + x. You are just adding three terms and since addition is commutative and associative, it does not matter what order you add. A more thorough solution:\r<BR>\n" );
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document.write( "3.2 + (x + 5.1) = 3.2 + (5.1 + x) (by commutativity)<BR>\n" );
document.write( "= (3.2 + 5.1) + x (by associativity)<BR>\n" );
document.write( "= 8.3 + x </SPAN>\n" );
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