document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=131704>Question 131704</A>: <I><SPAN STYLE=\"word-break: break-all;\"> For the following systems of linear equations:<BR>\n" );
document.write( "a)  Determine how many solutions exist<BR>\n" );
document.write( "b) Use either elimination or substitution to find the solutions (if any)<BR>\n" );
document.write( "c) Graph the two lines, labeling the x-intercepts, y-intercepts and points of intersection.<BR>\n" );
document.write( "y = 2x + 3 and y = -x - 4<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 #96208 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=96208\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Y=2X+3 (red line)NOW REPLACE Y IN THE OTHER EQUATION & SOLVE FOR X<BR>\n" );
document.write( "Y=-x-4 (green line)<BR>\n" );
document.write( "2X+3=-X-4<BR>\n" );
document.write( "2X+X=-4-3<BR>\n" );
document.write( "3X=-7<BR>\n" );
document.write( "X=-7/3 ANSWER.<BR>\n" );
document.write( "Y=2*-7/3+3<BR>\n" );
document.write( "Y=-14/3+3<BR>\n" );
document.write( "Y=(-14+9)/3<BR>\n" );
document.write( "Y=-5/3 ANSWER.<BR>\n" );
document.write( "(-7/3,-5/3) IS THE INTERSECTION OR SOLUTION TO THESE 2 EQUATIONS.<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+2x+%2B3%2C+-x+-4%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-6%2C+5%2C+-10%2C+10%2C+2x+%2B3%2C+-x+-4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > (graph 300x200 pixels, x from -6 to 5, y from -10 to 10, of TWO functions 2x +3 and -x -4).  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );