document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=32930>Question 32930</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Now I have an elimination problem.\r<BR>\n" );
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document.write( "x+2y=-7<BR>\n" );
document.write( "-x+2y=1\r<BR>\n" );
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document.write( "I have tried setting it up like this:  x+2y=-7<BR>\n" );
document.write( "                                    + -x+2y= 1<BR>\n" );
document.write( "                                    ----------- and I tried multipling equ 1 <BR>\n" );
document.write( "                                         4y=-6   by 1 and equ 2 by -2        <BR>\n" );
document.write( "  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #19376 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=19376\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> I assume you made a typo on your 1st equation:<BR>\n" );
document.write( "1) x+2y=-7<BR>\n" );
document.write( "2)-x+2y=1<BR>\n" );
document.write( "Add the two equations to get:<BR>\n" );
document.write( "3) 4y=-6<BR>\n" );
document.write( "    y=-3/2<BR>\n" );
document.write( "Substitute that value into 1) to get:<BR>\n" );
document.write( "  x+2(-3/2)=-7<BR>\n" );
document.write( "  x-3=-7<BR>\n" );
document.write( "  x=-4<BR>\n" );
document.write( "Therefore the solution is (-4,-3/2)<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "stan H. </SPAN>\n" );
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