document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=346786>Question 346786</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am a mom trying to remember the steps to this problem to help my son.\r<BR>\n" );
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document.write( "4 x (9+3)= (4 x n) + (4 x 3) </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #247965 by </B><A HREF=/tutors/aboutme.mpl?userid=nyc_function><B>nyc_function(2741)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nyc_function><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=nyc_function><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=247965\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Do not use the letter x to represent multiplication in algebra because x is \r<BR>\n" );
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document.write( "used a lot as a variable and will produce confusion. In place of x, use * or \r<BR>\n" );
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document.write( "parentheses, which also represent multiplication.\r<BR>\n" );
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document.write( "We are looking for n. \r<BR>\n" );
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document.write( "This equation is called a linear equation.\r<BR>\n" );
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document.write( "4 x (9+3)= (4 x n) + (4 x 3)\r<BR>\n" );
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document.write( "4 * 12 = 4*n + 12\r<BR>\n" );
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document.write( "48 = 4n + 12\r<BR>\n" );
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document.write( "48 - 12 = 4n\r<BR>\n" );
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document.write( "36 = 4n\r<BR>\n" );
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document.write( "To find the value of n simply divide 36 by 4 and we are done.\r<BR>\n" );
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document.write( "36/4 = n\r<BR>\n" );
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document.write( "9 = n\r<BR>\n" );
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document.write( "The answer is 9.\r<BR>\n" );
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document.write( "=================\r<BR>\n" );
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document.write( "Here is the proof:\r<BR>\n" );
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document.write( "In the original equation given, let n = 9.  If we get the same answer on both \r<BR>\n" );
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document.write( "sides of the equation, then we know for sure that n = 9 in this sample.\r<BR>\n" );
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document.write( "Let n = 9\r<BR>\n" );
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document.write( "4 x (9+3)= (4 x n) + (4 x 3)\r<BR>\n" );
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document.write( "4 x (9+3)= (4 x 9) + (4 x 3)\r<BR>\n" );
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document.write( "4 * 12 = 36 + 12\r<BR>\n" );
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document.write( "48 = 48....It checks!!\r<BR>\n" );
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document.write( "We now know for sure that n = 9.\r<BR>\n" );
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document.write( "By former substitute teacher.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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