document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=426260>Question 426260</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How to use substitution?\r<BR>\n" );
document.write( "\n" );
document.write( "X=-4Y<BR>\n" );
document.write( "and<BR>\n" );
document.write( "3X+2Y=20\r<BR>\n" );
document.write( "\n" );
document.write( "Im lost..please help me! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #296555 by </B><A HREF=/tutors/aboutme.mpl?userid=rfer><B>rfer(16322)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rfer><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=296555\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 3(-4y)+2y=20<BR>\n" );
document.write( "-12y+2y=20<BR>\n" );
document.write( "-10y=20<BR>\n" );
document.write( "y=-2<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "3x+2*-2=20<BR>\n" );
document.write( "3x-4=20<BR>\n" );
document.write( "3x=24<BR>\n" );
document.write( "x=8<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "proof<BR>\n" );
document.write( "x=-4y<BR>\n" );
document.write( "8=-4*-2 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );