document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=200900>Question 200900</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0495127558/algebrahomeworkh>elementary algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Suppose that a board 20 feet long is cut into two pieces. Four times the length of the shorter piece is 4 feet less than three times the length of the longer piece. Find the length of each piece. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #151139 by </B><A HREF=/tutors/aboutme.mpl?userid=RAY100><B>RAY100(1637)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=RAY100><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=151139\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let  x=short  length,,,,y=  long  length<BR>\n" );
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document.write( "(1)  x + y = 20,,,,,y = 20 -x<BR>\n" );
document.write( "(2) 4x = 3y-4<BR>\n" );
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document.write( "substitute  (1) in (2)<BR>\n" );
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document.write( "4x = 3( 20-x) -4<BR>\n" );
document.write( "4x = 60 -3x -4<BR>\n" );
document.write( "7x =56<BR>\n" );
document.write( "x=8<BR>\n" );
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document.write( "substitute  in  (1)<BR>\n" );
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document.write( "y= 20 -8<BR>\n" );
document.write( "y=12<BR>\n" );
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document.write( "check  (1) 8+12 =20,,,,ok<BR>\n" );
document.write( "(2)  4(8) = 3( 12) -4<BR>\n" );
document.write( "32 =32,,,,,,,,,,,,,,,,,,,,,,ok<BR>\n" );
document.write( "   </SPAN>\n" );
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