document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=328597>Question 328597</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A sofa and a chair cost $850 as a set. The sofa cost $200 more than twice as much as the chair.<BR>\n" );
document.write( "The two equations that model this situation are:<BR>\n" );
document.write( "S = 850 - C<BR>\n" );
document.write( "C = (1/2)S - 100\r<BR>\n" );
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document.write( "What is the cost of the sofa?\r<BR>\n" );
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document.write( "Cost of Sofa = $ __.00  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #235400 by </B><A HREF=/tutors/aboutme.mpl?userid=solver91311><B>solver91311(24713)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=solver91311><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=solver91311><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=235400\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <font face=\"Garamond\" size=\"+2\">\r<BR>\n" );
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document.write( "I would have written\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ S\ =\ 2C\ +\ 200\">\r<BR>\n" );
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document.write( "First of all, it more naturally follows the language of the problem.  And second, it makes finding the solution set easier because you can just set the two expressions that are equal to <IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE S\"> equal to each other and solve for C.  S follows directly.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE \ \ \ \ \ \ \ \ \ \ 850\ -\ C\ =\ 2C\ +\ 200\">\r<BR>\n" );
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document.write( "John<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=\"/cgi-bin/rendertex.cgi?\LARGE e^{i\pi} + 1 = 0\"><BR>\n" );
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