document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=220841>Question 220841</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve the system of equatuins by graphing then classify<BR>\n" );
document.write( "8x-7y=21<BR>\n" );
document.write( "7y-8x=-21 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #165702 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=165702\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 8x-7y=21<BR>\n" );
document.write( "-7Y=-8X+21<BR>\n" );
document.write( "Y=-8X/-7+21/-7<BR>\n" );
document.write( "Y=8X/7-3 (RED LINE)<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "7y-8x=-21<BR>\n" );
document.write( "7Y=8X-21<BR>\n" );
document.write( "Y=8X/7-21/7<BR>\n" );
document.write( "Y=8X/7-3 (GREEN LINE)<BR>\n" );
document.write( "-------------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+8x%2F7+-3%2C+8x%2F7+-3%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+8x%2F7+-3%2C+8x%2F7+-3%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions 8x/7 -3 and 8x/7 -3). <BR>\n" );
document.write( "THESE LINES ARE COINCIDENT OR IDENTICAL. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );