document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=771774>Question 771774</A>: <I><SPAN STYLE=\"word-break: break-all;\"> y=4x-2<BR>\n" );
document.write( "y=-7x+5<BR>\n" );
document.write( "-2y=12x+18<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #470453 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=470453\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y=4x-2<BR>\n" );
document.write( "y=-7x+5<BR>\n" );
document.write( "-2y=12x+18<BR>\n" );
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document.write( "There are 3 eqns in 2 variables.  Might not be a common solution.<BR>\n" );
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document.write( "y=4x-2<BR>\n" );
document.write( "y=-7x+5<BR>\n" );
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document.write( "4x-2 = -7x + 5<BR>\n" );
document.write( "11x = 7<BR>\n" );
document.write( "x = 7/11<BR>\n" );
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document.write( "y = 6/11<BR>\n" );
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document.write( "Check the 3rd eqn<BR>\n" );
document.write( "-12/11 =? 84/11 + 18<BR>\n" );
document.write( "-96/11 <> 18<BR>\n" );
document.write( "No solution for all 3.<BR>\n" );
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document.write( "If you graph the 3 lines, you get 3 intersections.<BR>\n" );
document.write( "There's no point that all 3 pass thru.\r<BR>\n" );
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