document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=688769>Question 688769</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The perimeter of a rectangle is 28 ft. The length is 4 ft longer than the width. Find the dimensions. Write a system of linear equations and solve the resulting system. Let x be the length and y be the width.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #425686 by </B><A HREF=/tutors/aboutme.mpl?userid=Stitch><B>Stitch(470)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Stitch><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=425686\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Set-Up<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "X = length<BR>\n" );
document.write( "Y = width<BR>\n" );
document.write( "Equation 1: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=28+=+2X+%2B+2Y ALIGN=MIDDLE  ALT=\"28+=+2X+%2B+2Y\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Equation 2: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=X+=+Y+%2B+4 ALIGN=MIDDLE  ALT=\"X+=+Y+%2B+4\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "Solution:<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "Plug (Y + 4) into equation 1 for X<BR>\n" );
document.write( "Equation 1: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=28+=+2X+%2B+2Y ALIGN=MIDDLE  ALT=\"28+=+2X+%2B+2Y\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=28+=+2%28Y+%2B+4%29+%2B+2Y ALIGN=MIDDLE  ALT=\"28+=+2%28Y+%2B+4%29+%2B+2Y\"   DISABLED_style= \"max-width:90%; height:auto;\" > Simplify<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=28+=+2Y+%2B+8+%2B+2Y ALIGN=MIDDLE  ALT=\"28+=+2Y+%2B+8+%2B+2Y\"   DISABLED_style= \"max-width:90%; height:auto;\" > Combine like terms<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=28+=+4Y+%2B+8 ALIGN=MIDDLE  ALT=\"28+=+4Y+%2B+8\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 8 from both sides<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20+=+4y ALIGN=MIDDLE  ALT=\"20+=+4y\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by 4<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%285+=+Y%29 ALIGN=MIDDLE  ALT=\"highlight%285+=+Y%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now plug 5 into equation 2 for Y<BR>\n" );
document.write( "Equation 2: <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=X+=+Y+%2B+4 ALIGN=MIDDLE  ALT=\"X+=+Y+%2B+4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28X+=+9%29 ALIGN=MIDDLE  ALT=\"highlight%28X+=+9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );