document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=151044>Question 151044</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Use the Substitution method to solve the system of equations.\r<BR>\n" );
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document.write( "x + y = -4 <BR>\n" );
document.write( "x - y = 2 <BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #110952 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=110952\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x + y = -4 <BR>\n" );
document.write( "x=-4-y<BR>\n" );
document.write( "x - y = 2 <BR>\n" );
document.write( "(-4-y)-y=2<BR>\n" );
document.write( "-4-y-y=2<BR>\n" );
document.write( "-2y=2+4<BR>\n" );
document.write( "-2y=6<BR>\n" );
document.write( "y=6/-2<BR>\n" );
document.write( "y=-3 answer.<BR>\n" );
document.write( "x+(-3)=-4<BR>\n" );
document.write( "x-3=-4<BR>\n" );
document.write( "x=-4+3<BR>\n" );
document.write( "x=-1 answer.<BR>\n" );
document.write( "proof:<BR>\n" );
document.write( "-1-(-3)=2<BR>\n" );
document.write( "-1+3=2<BR>\n" );
document.write( "2=2<BR>\n" );
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