document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=128103>Question 128103</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395570131/algebrahomeworkh>Mathematics Structure and Method</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\">  Hello, would you please help me with this math problem:<BR>\n" );
document.write( "      M is the midpoint of line segment CD. Find the missing length.<BR>\n" );
document.write( "        CM=3x, CD=8x-14, x=?<BR>\n" );
document.write( " Thank you very much </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #93807 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=93807\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> M is the midpoint of line segment CD. Find the missing length.<BR>\n" );
document.write( "CM=3x, CD= 8x-14, x=?<BR>\n" );
document.write( "----------------------------<BR>\n" );
document.write( "Draw the line segment CD.<BR>\n" );
document.write( "Put M at the middle.<BR>\n" );
document.write( "Do you see that CM + MD = CD ?<BR>\n" );
document.write( "But M is the midpoint so CM = MD<BR>\n" );
document.write( "Therefore 2(CM) = CD<BR>\n" );
document.write( "----------------------<BR>\n" );
document.write( "Substitute to get:<BR>\n" );
document.write( "2(3x) = 8x-14<BR>\n" );
document.write( "6x-8x = -14<BR>\n" );
document.write( "-2x = -14<BR>\n" );
document.write( "x = 7<BR>\n" );
document.write( "=============<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );