document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=428253>Question 428253</A>: <I><SPAN STYLE=\"word-break: break-all;\"> x-y=1<BR>\n" );
document.write( "x+y=3\r<BR>\n" );
document.write( "\n" );
document.write( "The instructions say: \"Use elimination to solve each system of equations.\"\r<BR>\n" );
document.write( "\n" );
document.write( "I have absolutely no clue what to do. I think you're supposed to somehow add the problem. Please help. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #297715 by </B><A HREF=/tutors/aboutme.mpl?userid=John10><B>John10(297)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=John10><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/cgi-bin/show-face.mpl?user=John10><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=297715\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x-y=1  (1)<BR>\n" );
document.write( "x+y=3  (2)\r<BR>\n" );
document.write( "\n" );
document.write( "Add (1) and (2) to eliminate y:\r<BR>\n" );
document.write( "\n" );
document.write( "x- y + x - y =1 + 3<BR>\n" );
document.write( "2x = 4<BR>\n" );
document.write( "x = 4/2<BR>\n" );
document.write( "x = 2\r<BR>\n" );
document.write( "\n" );
document.write( "Substitute x = 2 into (1) to find y:\r<BR>\n" );
document.write( "\n" );
document.write( "2 + y = 3<BR>\n" );
document.write( "y = 3 - 2<BR>\n" );
document.write( "y = 1\r<BR>\n" );
document.write( "\n" );
document.write( "The solution is (2, 1)\r<BR>\n" );
document.write( "\n" );
document.write( "Hope it will help you! Thanks!<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );