document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=979387>Question 979387</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many solutions does the system 3x-y=-6 & 3x+y=6 have? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #600655 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=600655\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Add up the equations to get\r<BR>\n" );
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document.write( "3x-y=-6<BR>\n" );
document.write( "3x+y=6<BR>\n" );
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document.write( "6x+0y = 0\r<BR>\n" );
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document.write( "That leads to 6x = 0 which means x = 0. You then use x = 0 to find y. Plug it into any equation with x & y in it. You'll find that y = 6.\r<BR>\n" );
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document.write( "So there is exactly one solution and it is the ordered pair (0,6) </SPAN>\n" );
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