document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=294737>Question 294737</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A book case is to be constructed.  The height is 4 feet longer than the length of a shelf. If 20 feet of lumber is available for the entire unit,except the back, find the length and height of the unit.\r<BR>\n" );
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document.write( "             The book case to be constructed consist of 4 horizontal lines and<BR>\n" );
document.write( "              the two vertical lines.  I am stuck on a formula to use for this.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #212656 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=212656\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> shelf length is x, so height is x+4\r<BR>\n" );
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document.write( "4x + [2(x+4)] = 20\r<BR>\n" );
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document.write( "6x + 8 = 20 </SPAN>\n" );
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