document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=21837>Question 21837</A>: <I><SPAN STYLE=\"word-break: break-all;\"> graph each system or equations. then determine whether the system has no solution, one solution, or infinitely many solutions. if the system has one solution, name it.\r<BR>\n" );
document.write( "\n" );
document.write( "2x-y=1<BR>\n" );
document.write( "y=-3  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #12055 by </B><A HREF=/tutors/aboutme.mpl?userid=rapaljer><B>rapaljer(4671)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rapaljer><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=rapaljer><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=12055\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2x-y=1<BR>\n" );
document.write( "y=-3\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Substitute y=-3 into the first equation:<BR>\n" );
document.write( "2x-y= 1<BR>\n" );
document.write( "2x -(-3) = 1<BR>\n" );
document.write( "2x+ 3 = 1<BR>\n" );
document.write( "2x = -2 <BR>\n" );
document.write( "x=-1\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Solution is the point (-1,-3).\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "R^2 at SCC  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );