document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=34053>Question 34053</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0030021626/algebrahomeworkh></A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> x+y=6<BR>\n" );
document.write( "x-y=12 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #20424 by </B><A HREF=/tutors/aboutme.mpl?userid=algebrapro18><B>algebrapro18(249)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=algebrapro18><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=20424\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x+y=6<BR>\n" );
document.write( "x-y=12<br>\r<BR>\n" );
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document.write( "solve the second eqution for x<BR>\n" );
document.write( "x=12+y<br>\r<BR>\n" );
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document.write( "substitute 12+y in for x in the first equation<BR>\n" );
document.write( "(12+y)+ y = 6<BR>\n" );
document.write( "12+2y=6<BR>\n" );
document.write( "2y=-6<BR>\n" );
document.write( "y=3<br>\r<BR>\n" );
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document.write( "plug 3 into the equation that sloved for x<BR>\n" );
document.write( "x=12+y<BR>\n" );
document.write( "x=12+3<BR>\n" );
document.write( "x=18 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );