document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=120679>Question 120679</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the following system by substitution <BR>\n" );
document.write( "8x-4y=16<BR>\n" );
document.write( "   y=2x-4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #88461 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=88461\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 8x-4y=16<BR>\n" );
document.write( "   y=2x-4\r<BR>\n" );
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document.write( "Substitute the y of the second equation into the first equation:<BR>\n" );
document.write( "8x - 4(2x-4) = 16<BR>\n" );
document.write( "8x -8x +16 = 16<BR>\n" );
document.write( "16=16\r<BR>\n" );
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document.write( "This statement is ALWAYS true!  The conclusion is that these are actually the SAME LINE.  The solution is the entire line.  The system of equations is said to be \"dependent.\"\r<BR>\n" );
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document.write( "R^2 </SPAN>\n" );
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