document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=847549>Question 847549</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can you please help me with this? This is  simultaneous equation and I need a graphs too.. thank you\r<BR>\n" );
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document.write( "X+y=5<BR>\n" );
document.write( "2x+3y=12 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #510529 by </B><A HREF=/tutors/aboutme.mpl?userid=rothauserc><B>rothauserc(4718)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rothauserc><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=rothauserc><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=510529\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> standard form for a line is y = mx + b, where m is the slope and b is the y intercept<BR>\n" );
document.write( "therefore our two lines are<BR>\n" );
document.write( "y = -x +5<BR>\n" );
document.write( "y = -2x/3 + 4<BR>\n" );
document.write( "substitute for y in second equation with first<BR>\n" );
document.write( "-x+5 = -2x/3 +4<BR>\n" );
document.write( "multiply both sides of - by 3<BR>\n" );
document.write( "-3x+15 = -2x+12<BR>\n" );
document.write( "x = 3<BR>\n" );
document.write( "y = 2<BR>\n" );
document.write( "the intersection of both lines is (3,2)<BR>\n" );
document.write( "the graphs look like this<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-10%2C+10%2C+-10%2C+10%2C+-x%2B5%2C+-2x%2F3+%2B+4%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-10%2C+10%2C+-10%2C+10%2C+-x%2B5%2C+-2x%2F3+%2B+4%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );