document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1035974>Question 1035974</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Simplify by removing all grouping symbols and combining like terms.<BR>\n" );
document.write( "   (10a + 9b + 9c) – (a – b – 2c) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #650556 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=650556\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The grouping keeps one part of the expression separate from the other part of the expression.  Work inside groupings first.\r<BR>\n" );
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document.write( "(10a + 9b + 9c) – (a – b – 2c)------------nothing to calculate there yet;\r<BR>\n" );
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document.write( "10a+9b+9c-a-(-b)-(-2c)\r<BR>\n" );
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document.write( "This step is only to see why:<BR>\n" );
document.write( "10a+9b+9c-a+b+2c\r<BR>\n" );
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document.write( "This is two steps in one, but should be understandable:<BR>\n" );
document.write( "10a-a+9b+b+9c+2c\r<BR>\n" );
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document.write( "then <BR>\n" );
document.write( "ANSWER:     9a+10b+12c </SPAN>\n" );
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