document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=9390>Question 9390</A>: <I><SPAN STYLE=\"word-break: break-all;\"> using substitution method is  x+y=4<BR>\n" );
document.write( "                              x-y=5<BR>\n" );
document.write( "independent,dependent,or inconsistent? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #5109 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=5109\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Solve for y:<BR>\n" );
document.write( "x+y=4<BR>\n" );
document.write( "y=4-x\r<BR>\n" );
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document.write( "Substitute into the second equation:<BR>\n" );
document.write( "x-y=5<BR>\n" );
document.write( "x-(4-x) = 5<BR>\n" );
document.write( "x-4 +x = 5<BR>\n" );
document.write( "2x - 4 = 5<BR>\n" );
document.write( "2x = 9<BR>\n" );
document.write( "x=9/2 or 4.5\r<BR>\n" );
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document.write( "y = 4-x<BR>\n" );
document.write( "y = 4 - 4.5<BR>\n" );
document.write( "y = -.5 or -1/2\r<BR>\n" );
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document.write( "Independent, since there is a unique solution.\r<BR>\n" );
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document.write( "R^2 at SCC\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );