document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=286532>Question 286532</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do I solve \r<BR>\n" );
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document.write( "x+y=1350<BR>\n" );
document.write( "$2x+$5y=450 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #207846 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=207846\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x+y=1350<BR>\n" );
document.write( "x=1350-y<BR>\n" );
document.write( "$2x+$5y=450<BR>\n" );
document.write( "Replace x with (1350-y) in the second equation & solve for y.<BR>\n" );
document.write( "2(1350-y)+5y=450<BR>\n" );
document.write( "2700-2y+5y=450<BR>\n" );
document.write( "3y=450-2700<BR>\n" );
document.write( "3y=-2250<BR>\n" );
document.write( "y=-2250/3<BR>\n" );
document.write( "y=-750 ans.<BR>\n" );
document.write( "x-750=1350<BR>\n" );
document.write( "x=1350+750<BR>\n" );
document.write( "x=2100 ans,<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "2*2100+5*-750=450<BR>\n" );
document.write( "4200-3750=450<BR>\n" );
document.write( "450=450 </SPAN>\n" );
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