document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=80287>Question 80287</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0078603900/algebrahomeworkh>Algebra I</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\">     Use substitution to solve each system of equations. If the system does not have exactly one solution, state whether it has no solution or infinitely many solutions.\r<BR>\n" );
document.write( "\n" );
document.write( "2x-y=-4<BR>\n" );
document.write( "-3x+y=-9 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #57604 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley75><B>checkley75(3666)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley75><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=57604\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 2X-Y=-4<BR>\n" );
document.write( "-Y=-2X-4<BR>\n" );
document.write( "Y=2X+4 NOW SUBSTITUTE (2X+4) FOR Y & SOLVE FOR X IN THE OTHER EQUATION. <BR>\n" );
document.write( "-3X+(2X+4)=-9<BR>\n" );
document.write( "-3X+2X+4=-9<BR>\n" );
document.write( "-X=-9-4<BR>\n" );
document.write( "-X=-13<BR>\n" );
document.write( "X=13 ANSWER.<BR>\n" );
document.write( "Y=2*13+4<BR>\n" );
document.write( "Y=26+4<BR>\n" );
document.write( "Y=30 ANSWER. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );