document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1106693>Question 1106693</A>: <I><SPAN STYLE=\"word-break: break-all;\"> supply and demand equation where x represents the quantity demanded in units of 1000 and p is the unit price in dollars, find the equilibrium quantity and the equilibrium price. 2x+7p-56=0 and 3x-11p+45=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #721671 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13215)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=721671\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "Simply solve the pair of equations by any method you like.<br><BR>\n" );
document.write( "For pairs of linear equations like these, my preference is to use the elimination method.<br><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2x%2B7p+=+56 ALIGN=MIDDLE  ALT=\"2x%2B7p+=+56\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3x-11p+=+-45 ALIGN=MIDDLE  ALT=\"3x-11p+=+-45\"   DISABLED_style= \"max-width:90%; height:auto;\" ><br><BR>\n" );
document.write( "Multiply the first equation by 3 and the second by -2 and add; that eliminates variable x so you can solve for p.  Then substitute the p value into either original equation to solve for x. </SPAN>\n" );
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