document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=138328>Question 138328</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the graphic\r<BR>\n" );
document.write( "\n" );
document.write( "x-4y=1<BR>\n" );
document.write( "4x+y=21 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #101072 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=101072\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x-4y=1<BR>\n" );
document.write( "-4Y=-X+1<BR>\n" );
document.write( "Y=-X/-4+1/-4<BR>\n" );
document.write( "Y=X/4-1/4 (RED LINE)<BR>\n" );
document.write( "4x+y=21<BR>\n" );
document.write( "Y=-4X+21 (GREEN LINE)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-6%2C+8%2C+-10%2C+25%2C+x%2F4+-1%2F4%2C-4x+%2B21%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-6%2C+8%2C+-10%2C+25%2C+x%2F4+-1%2F4%2C-4x+%2B21%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -6 to 8, y from -10 to 25, of TWO functions x/4 -1/4 and -4x +21). <BR>\n" );
document.write( "ANSWER (5,1) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );