document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=113699>Question 113699</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help...<BR>\n" );
document.write( "Solve the system by substitution:\r<BR>\n" );
document.write( "\n" );
document.write( "3x-y=-7<BR>\n" );
document.write( "x+y=-9<BR>\n" );
document.write( "Thank you so much for your help! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #82733 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=82733\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> X+Y=-9 OR X=-9-Y <BR>\n" );
document.write( "NOW SUBSTITUTE (-9-Y) FOR X IN THE OTEHRE EQUATION 7 SOLVE FOR Y<BR>\n" );
document.write( "3(-9-Y)-Y=-7<BR>\n" );
document.write( "-27-3Y-Y=-7<BR>\n" );
document.write( "-4Y=-7+27<BR>\n" );
document.write( "-4Y=20<BR>\n" );
document.write( "Y=20/-4<BR>\n" );
document.write( "Y=-5 ANSWER.<BR>\n" );
document.write( "X-5=-9<BR>\n" );
document.write( "X=-9+5<BR>\n" );
document.write( "X=-4 ANSWER.<BR>\n" );
document.write( "PROOF<BR>\n" );
document.write( "3*-4-(-5)=-7<BR>\n" );
document.write( "-12+5=-7<BR>\n" );
document.write( "-7=-7 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );