document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1001166>Question 1001166</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Simultaneous equation help! The answer at the back is (2,1) to this question:<BR>\n" );
document.write( "2x-3y=7<BR>\n" );
document.write( "3x+y=7<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 #618414 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=618414\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi there,<BR>\n" );
document.write( "Think you have put a negative instead <BR>\n" );
document.write( "of a positive in line 1<BR>\n" );
document.write( "2x - 3y = 7 should read 2x + 3y = 7<BR>\n" );
document.write( "2x+3y=7........(1)<BR>\n" );
document.write( "3x+y=7.........(2)<BR>\n" );
document.write( "Multiply (1) by 3<BR>\n" );
document.write( "Multiply (2) by 2<BR>\n" );
document.write( "6x + 9y = 21......(1)<BR>\n" );
document.write( "6x + 2y = 14......(2)<BR>\n" );
document.write( "Subtract (2) from (1)<BR>\n" );
document.write( "....7y = 7<BR>\n" );
document.write( ".....y = 1<BR>\n" );
document.write( "Substitute y = 1 in (2)<BR>\n" );
document.write( "3x+y=7.........(2)<BR>\n" );
document.write( "3x + 1 = 7<BR>\n" );
document.write( "3x = 7 - 1<BR>\n" );
document.write( "3x = 6<BR>\n" );
document.write( "x = 2<BR>\n" );
document.write( "Answer (2,1)<BR>\n" );
document.write( "Hope thi shelps :-) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );