document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=437306>Question 437306</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x-3y=9<BR>\n" );
document.write( "x+3y= -3\r<BR>\n" );
document.write( "\n" );
document.write( "solve equation by graphing i am so lost can you help me<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 #302493 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=302493\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x-3y=9<BR>\n" );
document.write( "x+3y= -3\r<BR>\n" );
document.write( "\n" );
document.write( "solve equation by graphing <BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "x-3y=9 --> x = 3y + 9<BR>\n" );
document.write( "x+3y= -3 --> x = -3y - 3<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "The graphs are straight lines, so 2 points are needed<BR>\n" );
document.write( "x = 3y + 9<BR>\n" );
document.write( "Pick 2 values for y and find x<BR>\n" );
document.write( "y = 0, x = 9 --> (9,0)<BR>\n" );
document.write( "y = -3, x = 0 --> (0,-3)<BR>\n" );
document.write( "Plot those 2 points and draw a line thru them.<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "Do the same for the other equation.<BR>\n" );
document.write( "Where the 2 lines intersect is the x & y values that fit both equations.<BR>\n" );
document.write( "That's the solution to the system.\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );