document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=206287>Question 206287</A>: <I><SPAN STYLE=\"word-break: break-all;\"> y = -4x - 7      is asking me to slove by substitution and determine whether <BR>\n" );
document.write( "y = 3x               the equation is  independent, dependent or inconsistent </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #155927 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=155927\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y = -4x - 7 is asking me to solve by substitution and determine whether <BR>\n" );
document.write( "y = 3x the equation is independent, dependent or inconsistent<BR>\n" );
document.write( "----------------------------<BR>\n" );
document.write( "If you get a one point intersection, the system is independent.<BR>\n" );
document.write( "Substituting you get:<BR>\n" );
document.write( "3x = -4x-7<BR>\n" );
document.write( "7x = -7<BR>\n" );
document.write( "x = -1<BR>\n" );
document.write( "----<BR>\n" );
document.write( "If x = -1, y = 3*-1 = -3\r<BR>\n" );
document.write( "\n" );
document.write( "---------------<BR>\n" );
document.write( "The point of intersection is (-1,-3)<BR>\n" );
document.write( "The system is independent.<BR>\n" );
document.write( "==================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );