document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=245344>Question 245344</A>: <I><SPAN STYLE=\"word-break: break-all;\">  \r<BR>\n" );
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document.write( "Solving Systems by Graphing and Substitution\r<BR>\n" );
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document.write( "How would you solve this problem by using substitution?\r<BR>\n" );
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document.write( "3x - y = 4<BR>\n" );
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document.write( "3x - y = 0\r<BR>\n" );
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document.write( "It would be greatly appreciated ever so much.Thanks... </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #184825 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=184825\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> That can't be solved.<BR>\n" );
document.write( "It says 3x-y is 4, and is 0.<BR>\n" );
document.write( "That's inconsistent.<BR>\n" );
document.write( "If you graph it, you get parallel lines, no intersection, no solution.<BR>\n" );
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document.write( "Substitution:<BR>\n" );
document.write( "3x - y = 4\r<BR>\n" );
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document.write( "3x - y = 0 --> y = 3x<BR>\n" );
document.write( "Sub for y into 1st eqn:<BR>\n" );
document.write( "3x - 3x = 4<BR>\n" );
document.write( "0 = 4<BR>\n" );
document.write( "It doesn't.<BR>\n" );
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