document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1200571>Question 1200571</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Question: If a = 2b+c   and   b=3c+d   , find a in terms of c and d . <BR>\n" );
document.write( "How is this worked out please ? how do you do subject of the formula with 2 equations ?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #834721 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=834721\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If a = 2b+c and b=3c+d , find a in terms of c and d .<BR>\n" );
document.write( "substitute (3c+d) for b in the first equation<BR>\n" );
document.write( "a = 2(3c+d) + c<BR>\n" );
document.write( "distribute 2<BR>\n" );
document.write( "a = 6c + 2d + c<BR>\n" );
document.write( "a = 7c + 2d </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );