document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1001169>Question 1001169</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Simultaneous equation help! The answer at the back to this question is (3,-1). The question is:<BR>\n" );
document.write( "4x+y=11<BR>\n" );
document.write( "3x+2y=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 #618413 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=618413\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi there,<BR>\n" );
document.write( "4x+y=11......(1)<BR>\n" );
document.write( "3x+2y=7......(2)<BR>\n" );
document.write( "Multiply (1) by 3<BR>\n" );
document.write( "Multiply (2) by 4<BR>\n" );
document.write( "12x + 3y = 33....(1)<BR>\n" );
document.write( "12x + 8y = 28....(2)<BR>\n" );
document.write( "Subtract (2) from (1)<BR>\n" );
document.write( ".....-5y = 5<BR>\n" );
document.write( ".....y = -1<BR>\n" );
document.write( "Substitute y = -1 into (1)<BR>\n" );
document.write( "4x+y=11......(1)<BR>\n" );
document.write( "4x + (-1) = 11<BR>\n" );
document.write( "4x - 1 = 11<BR>\n" );
document.write( "4x = 11 + 1<BR>\n" );
document.write( "4x = 12<BR>\n" );
document.write( "x = 3<BR>\n" );
document.write( "Answer (3, -1)<BR>\n" );
document.write( "Hope this helps. :-) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );