document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=154779>Question 154779</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0534463770/algebrahomeworkh>beginning and intermediate algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> a=3b-1<BR>\n" );
document.write( "b=2a+2 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #113972 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=113972\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a=3b-1<BR>\n" );
document.write( "b=2a+2<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "Since eqn 1 already shows a as a function of b, substitute for a in eqn 2.<BR>\n" );
document.write( "b=2*(3b-1)+2<BR>\n" );
document.write( "b=6b-2+2<BR>\n" );
document.write( "b = 6b<BR>\n" );
document.write( "b = 0 (the only possibility)<BR>\n" );
document.write( "------------<BR>\n" );
document.write( "Sub b into eqn 1<BR>\n" );
document.write( "a = 3*0-1<BR>\n" );
document.write( "a = -1<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );