document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=222586>Question 222586</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve by substitution<BR>\n" );
document.write( "4x+5y=-2<BR>\n" );
document.write( "4y-x=11 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #166661 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=166661\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4x+5y=-2<BR>\n" );
document.write( "4y-x=11<BR>\n" );
document.write( "-x=-4y+11<BR>\n" );
document.write( "x=4y-11<BR>\n" );
document.write( "Now replace x with (4y-11) in the first equation & solve for y.<BR>\n" );
document.write( "4(4y-11)+5y=-2<BR>\n" );
document.write( "16y-44+5y=-2<BR>\n" );
document.write( "21y=-2+44<BR>\n" );
document.write( "21y=42<BR>\n" );
document.write( "y=42/21 <BR>\n" );
document.write( "y=2 ans.<BR>\n" );
document.write( "x=4*2-11<BR>\n" );
document.write( "x=8-11<BR>\n" );
document.write( "x=-3 ans. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );