document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=76198>Question 76198</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/01318085400/algebrahomeworkh>algebra1</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> x+y=4                                                                           x=-1 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #54737 by </B><A HREF=/tutors/aboutme.mpl?userid=tutorcecilia><B>tutorcecilia(2152)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=tutorcecilia><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=tutorcecilia><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=54737\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x+y=4                                                                           x=-1<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Substitute x=-1 for x in the first equation and solve<BR>\n" );
document.write( "x+y=4<BR>\n" );
document.write( "(-1)+y=4<BR>\n" );
document.write( "-1+y=4<BR>\n" );
document.write( "-1+1+y=4+1<BR>\n" );
document.write( "y=5<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Check by plugging-in the values for x and y and solve:<BR>\n" );
document.write( "x+y=4<BR>\n" );
document.write( "(-1)+5=4<BR>\n" );
document.write( "4=4 [checks out] </SPAN>\n" );
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