document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1064771>Question 1064771</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A-2b=9<BR>\n" );
document.write( "2a+3b=4 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #679924 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=679924\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a-2b=9<BR>\n" );
document.write( "2a+3b=4; multiply top by -2 to eliminate a<BR>\n" );
document.write( "-2a+4b=-18<BR>\n" );
document.write( "7b=-14<BR>\n" );
document.write( "b=-2<BR>\n" );
document.write( "substitute into first equatio<BR>\n" );
document.write( "a+4=9<BR>\n" );
document.write( "a=5<BR>\n" );
document.write( "check in second equation<BR>\n" );
document.write( "2(5)+3(-2)=4 checks<BR>\n" );
document.write( "(5, -2) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );