document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1070371>Question 1070371</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solve for x and y simultaneously:<BR>\n" );
document.write( "y-x=-1<BR>\n" );
document.write( "y-7=x^2+2x </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #685481 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=685481\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y-x=-1<BR>\n" );
document.write( "y-7=x^2+2x<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "y=x-1<BR>\n" );
document.write( "x-1-7=x^2+2x<BR>\n" );
document.write( "0=x^2+x+8<BR>\n" );
document.write( "x=(1/2) (-1+/- sqrt (1-64)=(1/2)(-1+/- i *sqrt(63)).  No real solutions.<BR>\n" );
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document.write( "</TD></TR></TABLE>\n" );