document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=662458>Question 662458</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x+y= 18\r<BR>\n" );
document.write( "\n" );
document.write( "x*y=  56\r<BR>\n" );
document.write( "\n" );
document.write( "We've figured out the values of x and y are 14 and 4, but we have stalled trying to prove our answer algebraicly, I.e. to \"show our work.\"\r<BR>\n" );
document.write( "\n" );
document.write( "Can you help, please? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #412267 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=412267\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x+y= 18\r<BR>\n" );
document.write( "\n" );
document.write( "x*y=  56<BR>\n" );
document.write( "-----------<BR>\n" );
document.write( "y = 18 - x<BR>\n" );
document.write( "Sub for y<BR>\n" );
document.write( "x*(18 - x) = 56<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+-+18x+%2B+56+=+0 ALIGN=MIDDLE  ALT=\"x%5E2+-+18x+%2B+56+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = 4, x = 14<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );