document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=447903>Question 447903</A>: <I><SPAN STYLE=\"word-break: break-all;\"> substitution 3m + 4k = 14 <BR>\n" );
document.write( "             2m + k = 1  <BR>\n" );
document.write( "  <BR>\n" );
document.write( "with steps too </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #308273 by </B><A HREF=/tutors/aboutme.mpl?userid=unlockmath><B>unlockmath(1688)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=unlockmath><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=unlockmath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=308273\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hello, <BR>\n" );
document.write( "With these two 3m + 4k = 14<BR>\n" );
document.write( "2m + k = 1 <BR>\n" );
document.write( "Let's work on the second equation by getting k by itself:<BR>\n" );
document.write( "k=1-2m Now we can substitute this into the first:<BR>\n" );
document.write( "3m + 4(1-2m)=14 <BR>\n" );
document.write( "rewrite this as:<BR>\n" );
document.write( "3m+4-8m=14<BR>\n" );
document.write( "Now combine like terms, subtract 4 and divide by -5 to get:<BR>\n" );
document.write( "m=-2<BR>\n" );
document.write( "Plug this into either equation and we get:<BR>\n" );
document.write( "k=5<BR>\n" );
document.write( "Make sense?<BR>\n" );
document.write( "RJ<BR>\n" );
document.write( "www.math-unlock.com </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );