document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=206603>Question 206603</A>: <I><SPAN STYLE=\"word-break: break-all;\"> solve by system of addition \r<BR>\n" );
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document.write( "2x = 2 - y<BR>\n" );
document.write( "3x + y = -1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #156139 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=156139\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x=2-y<BR>\n" );
document.write( "or 2x+y=2 multiply by -1 & add.<BR>\n" );
document.write( "3x+y=-1<BR>\n" );
document.write( "-2x-y=-2<BR>\n" );
document.write( "-------------------<BR>\n" );
document.write( "x=-3 ans.<BR>\n" );
document.write( "2*-3=2-y<BR>\n" );
document.write( "-6=2=-y<BR>\n" );
document.write( "-y=-6-2<BR>\n" );
document.write( "-y=-8 <BR>\n" );
document.write( "y=8 ans.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "3*-3+8=-1<BR>\n" );
document.write( "-9+8=-1<BR>\n" );
document.write( "-1=-1 </SPAN>\n" );
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