document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=850209>Question 850209</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The substitution method. Solving a pair of equations. <BR>\n" );
document.write( "X=2-Y<BR>\n" );
document.write( "2Y+X=9\r<BR>\n" );
document.write( "\n" );
document.write( "Y=X+2<BR>\n" );
document.write( "2(X+2)+X=9<BR>\n" );
document.write( "2X+4+X=9<BR>\n" );
document.write( "3X+4-4=9-4<BR>\n" );
document.write( "2X=5\r<BR>\n" );
document.write( "\n" );
document.write( "This is where I get lost the book gives the answer as (-5,7) 2x=5 should be x=-5 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #512023 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=512023\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> X=2-Y<BR>\n" );
document.write( "2Y+X=9 <BR>\n" );
document.write( "y is not equal to x+2<BR>\n" );
document.write( "Y=2-X<BR>\n" );
document.write( "The book is right<BR>\n" );
document.write( "X = -5,   Y = 7.<BR>\n" );
document.write( "start over<BR>\n" );
document.write( "x=2-y<BR>\n" );
document.write( "2y+x=9 <BR>\n" );
document.write( "2y+2-Y=9 <BR>\n" );
document.write( "y+2=9<BR>\n" );
document.write( "y=7<BR>\n" );
document.write( "x=2-7<BR>\n" );
document.write( "x=-5<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );