document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=127792>Question 127792</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Topic: Simultaneuos equations<BR>\n" );
document.write( "If possible i would like a step by step guide of the answer thanks.\r<BR>\n" );
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document.write( "x+y=9<BR>\n" );
document.write( "x^2-3xy+2y^2=0 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #93630 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=93630\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> FIRST YOU NEED TO DEFINE X=9-Y THEN REPLACE X BY (9-Y) IN THE OTHER EQUATION<BR>\n" );
document.write( "X^2-3XY+2Y^2=0<BR>\n" );
document.write( "(X-2Y)(X-Y)=0<BR>\n" );
document.write( "9-Y-2Y=0<BR>\n" );
document.write( "9-3Y=0<BR>\n" );
document.write( "-3Y=-9<BR>\n" );
document.write( "Y=-9/-3<BR>\n" );
document.write( "Y=3 ANSWER.<BR>\n" );
document.write( "THEN X=9-3=6 ANSWER.<BR>\n" );
document.write( "9-Y-Y=0<BR>\n" );
document.write( "9-2Y=0<BR>\n" );
document.write( "-2Y=-9<BR>\n" );
document.write( "Y=-9/-2<BR>\n" );
document.write( "Y=4.5 ANSWER.<BR>\n" );
document.write( "THEN X=9-4.5=4.5 ANSWER.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );