document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=243634>Question 243634</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve the following system of equations\r<BR>\n" );
document.write( "\n" );
document.write( "x + 7y = 6  (1)<BR>\n" );
document.write( "x = 5 - 7y  (2)\r<BR>\n" );
document.write( "\n" );
document.write( "what is the solution of the system? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #178492 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=178492\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x+7y=6 or<BR>\n" );
document.write( "x=6-7Y <BR>\n" );
document.write( "-(x=5-7y)  subtract<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "0=1+0 no unique solutions.<BR>\n" );
document.write( "Graphing:<BR>\n" );
document.write( "7y=-x+6<BR>\n" );
document.write( "y=-x/7+6/7 (red line)<BR>\n" );
document.write( "-7y=x-6<BR>\n" );
document.write( "y=x/-7-6/-7<BR>\n" );
document.write( "y=-x/7+6/7 (green line)<BR>\n" );
document.write( "2 identical equations with 2 unknowns.<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+-x%2F7+%2B6%2F7%2C+-x%2F7+%2B6%2F7%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+-x%2F7+%2B6%2F7%2C+-x%2F7+%2B6%2F7%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions -x +6/7 and -x/7 +6/7).  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );