document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=801314>Question 801314</A>: <I><SPAN STYLE=\"word-break: break-all;\"> y=-1 <BR>\n" );
document.write( "-2x-2y=-2 solve by substitution  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #483520 by </B><A HREF=/tutors/aboutme.mpl?userid=waynest><B>waynest(281)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=waynest><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=483520\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> y = -1<BR>\n" );
document.write( "-2x - 2y = -2\r<BR>\n" );
document.write( "\n" );
document.write( "substitute -1 for y in the second equation:<BR>\n" );
document.write( "-2x - 2(-1) = -2<BR>\n" );
document.write( "-2x + 2 = -2<BR>\n" );
document.write( "-2x + 2 - 2 = -2 - 2<BR>\n" );
document.write( "-2x = -4<BR>\n" );
document.write( "-2x/-2 = -4/-2<BR>\n" );
document.write( "x = 2\r<BR>\n" );
document.write( "\n" );
document.write( "substitute 2 for x in the second equation:<BR>\n" );
document.write( "-2(2) - 2y = -2<BR>\n" );
document.write( "-4 - 2y = -2<BR>\n" );
document.write( "-4 + 4 - 2y = -2 + 4<BR>\n" );
document.write( "-2y = 2<BR>\n" );
document.write( "-2y/-2 = 2/-2<BR>\n" );
document.write( "y = -1 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );