document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1130164>Question 1130164</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the supply & demand equation for a certain product are 3x-200p + 1800=0 and 3x+100p-1800=0, respectively where p represents the price per unit im pesos n x represents the number of units. Determine the market equilibrium quantity n price algebraically n find the market equilibrium point graphically </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #747096 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=747096\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> rewrite as<BR>\n" );
document.write( "3x-200p=-1800<BR>\n" );
document.write( "3x+100p=1800<BR>\n" );
document.write( "-3x-100p=-1800.  add the top and bottom<BR>\n" );
document.write( "-300p=-3600<BR>\n" );
document.write( "p=12<BR>\n" );
document.write( "substitute into the first<BR>\n" );
document.write( "3x-2400=-1800<BR>\n" );
document.write( "x=200 units\r<BR>\n" );
document.write( "\n" );
document.write( "write in slope-intercept form<BR>\n" );
document.write( "3x=200p-1800; x=(200/3)p-600<BR>\n" );
document.write( "3x=-100p+1800; x=(-100/3)p+600<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=graph%28300%2C300%2C-10%2C20%2C-200%2C700%2C%28200x%2F3%29-600%2C%28-100x%2F3%29%2B600%29%29 ALIGN=MIDDLE  ALT=\"graph%28300%2C300%2C-10%2C20%2C-200%2C700%2C%28200x%2F3%29-600%2C%28-100x%2F3%29%2B600%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );