document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=186841>Question 186841</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Can anyone help me solve each system by addition.<BR>\n" );
document.write( "x+y=7<BR>\n" );
document.write( "x-y=9<BR>\n" );
document.write( "------<BR>\n" );
document.write( "x-2y=-1<BR>\n" );
document.write( "-x+5y=4<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "3x+5y=-11<BR>\n" );
document.write( "x-2y=11<BR>\n" );
document.write( "--------<BR>\n" );
document.write( "2x=2-y<BR>\n" );
document.write( "3x+y=-1<BR>\n" );
document.write( "Thanks for your help<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #140079 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=140079\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x+y=7<BR>\n" );
document.write( "x-y=9<BR>\n" );
document.write( "------<BR>\n" );
document.write( "2x=16<BR>\n" );
document.write( "x=16/2<BR>\n" );
document.write( "x=8 ans.<BR>\n" );
document.write( "8+y=7<BR>\n" );
document.write( "y=7-8<BR>\n" );
document.write( "y=-1 ans.<BR>\n" );
document.write( "*****************************<BR>\n" );
document.write( "x-2y=-1<BR>\n" );
document.write( "-x+5y=4<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "3y=3<BR>\n" );
document.write( "y=3/3<BR>\n" );
document.write( "y=1 ans.<BR>\n" );
document.write( "x-2*3=-1<BR>\n" );
document.write( "x-6=-1<BR>\n" );
document.write( "x=-1+6<BR>\n" );
document.write( "x=6 ans.<BR>\n" );
document.write( "***********************************<BR>\n" );
document.write( "3x+5y=-11<BR>\n" );
document.write( "x-2y=11 multiply by -3 & add.<BR>\n" );
document.write( "3x+5y=-11<BR>\n" );
document.write( "-3x+6y=-33<BR>\n" );
document.write( "----------<BR>\n" );
document.write( "11y=-44<BR>\n" );
document.write( "y=-44/11<BR>\n" );
document.write( "y=-4 ans.<BR>\n" );
document.write( "3x+5*-4=-11<BR>\n" );
document.write( "3x-20=-11<BR>\n" );
document.write( "3x=-11+20<BR>\n" );
document.write( "3x=9<BR>\n" );
document.write( "x=9/3<BR>\n" );
document.write( "x=3 ans.<BR>\n" );
document.write( "**********************************<BR>\n" );
document.write( "2x=2-y or 2x+y=2 now 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( "-6-2=-y<BR>\n" );
document.write( "-8=-y<BR>\n" );
document.write( "8=y ans.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );