document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=403191>Question 403191</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am trying to find out why the 3 changes into a 2 in this problem. Here is the work down of this problem. I did this through a math program that I have, but I don't understand this step.\r<BR>\n" );
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document.write( "-7x+3[x-(3-2x)]<BR>\n" );
document.write( "-7x+3[x-(-2x+3)] on this step here, the 3 changed to a 2.<BR>\n" );
document.write( "-7x+3[x+2x-3]<BR>\n" );
document.write( "-7x+3{3x-3]<BR>\n" );
document.write( "-7x+(3*3x-3*3)<BR>\n" );
document.write( "-7x+(9x-9)<BR>\n" );
document.write( "2x-9\r<BR>\n" );
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document.write( "Thanks... </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #285131 by </B><A HREF=/tutors/aboutme.mpl?userid=Nada><B>Nada(11)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Nada><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=Nada><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=285131\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Nothing has changed , they just switched the places of the ( -2x and the +3 ) </SPAN>\n" );
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