document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1007197>Question 1007197</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve the system by substitution, if possible.  (If the system is inconsistent, enter INCONSISTENT. If the system is dependent, enter a general solution in terms of x or y.)\r<BR>\n" );
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document.write( "{3x-y=20<BR>\n" );
document.write( "{y=3x-20 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #623182 by </B><A HREF=/tutors/aboutme.mpl?userid=fractalier><B>fractalier(6550)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=fractalier><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=fractalier><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=623182\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> From<BR>\n" );
document.write( "3x-y=20<BR>\n" );
document.write( "y=3x-20<BR>\n" );
document.write( "let us substitute the second one into the first equation...<BR>\n" );
document.write( "3x - (3x - 20) = 20<BR>\n" );
document.write( "20 = 20<BR>\n" );
document.write( "This tells us there are an infinite number of solutions.<BR>\n" );
document.write( "In fact, these are the very same equation, the same line and a DEPENDENT system where y = 3x - 20. </SPAN>\n" );
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