document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=279699>Question 279699</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How do you solve systems by graphing... for example (2x+2y=5 & y=x-4)What would the steps be to solving this (or any) problem. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #203297 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=203297\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How do you solve systems by graphing... for example (2x+2y=5 & y=x-4)What would the steps be to solving this (or any) problem.<BR>\n" );
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document.write( "These are straight lines (linear equations) so 2 points each is sufficient.<BR>\n" );
document.write( "2x + 2y = 5<BR>\n" );
document.write( "Pick 2 values for x and find y, or vice versa<BR>\n" );
document.write( "x...y<BR>\n" );
document.write( "0...5/2 --> (0,5/2)<BR>\n" );
document.write( "4...-3/2 --> (4,-3/2)<BR>\n" );
document.write( "Plot the 2 points, draw a line thru them.<BR>\n" );
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document.write( "Do the same for the other equation.<BR>\n" );
document.write( "Where they cross is the solution.  <BR>\n" );
document.write( "The intersection is the pair (x and y) that fit both equations.<BR>\n" );
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