document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=278183>Question 278183</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 4.00x + 6.00y = 2340<BR>\n" );
document.write( "x + y = 480<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #202430 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=202430\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4.00x + 6.00y = 2340<BR>\n" );
document.write( "x + y = 480<BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "4x + 6y = 2340<BR>\n" );
document.write( "x + y = 480<BR>\n" );
document.write( "--------------------<BR>\n" );
document.write( "2x + 3y = 1170<BR>\n" );
document.write( "x + y = 480<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "Multiply thru the 2nd equation by 2:<BR>\n" );
document.write( "2x + 3y = 1170<BR>\n" );
document.write( "2x + 2y = 960<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "Subtract 2nd from 1st:<BR>\n" );
document.write( "y = 210<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "substitute into x + y = 480 to solve for \"x\":<BR>\n" );
document.write( "x + 210 = 480<BR>\n" );
document.write( "x = 270<BR>\n" );
document.write( "==================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );