document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=214172>Question 214172</A>: <I><SPAN STYLE=\"word-break: break-all;\"> If one side of a square is increased by 8cm and an adjacent side decreased by 2cm, a rectangle is formed whose perimeter is 40cm. Find the length of a side of the square. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #162139 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=162139\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the length of a side of the square = s, then the perimeter is expressed by:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+2%28s%2Bs%29 ALIGN=MIDDLE  ALT=\"P+=+2%28s%2Bs%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Increase one side by 8cm. to get (s+8)cm. and decrease an adjacent side by 2cm. to get (s-2)cm.. The resulting perimeter (P) is 40cm. <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40+=+2%28%28s%2B8%29%2B%28s-2%29%29 ALIGN=MIDDLE  ALT=\"40+=+2%28%28s%2B8%29%2B%28s-2%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by 2.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20+=+s%2B8%2Bs-2 ALIGN=MIDDLE  ALT=\"20+=+s%2B8%2Bs-2\"   DISABLED_style= \"max-width:90%; height:auto;\" > Simplify.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20+=+2s%2B6 ALIGN=MIDDLE  ALT=\"20+=+2s%2B6\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 6 from both sdes.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=14+=+2s ALIGN=MIDDLE  ALT=\"14+=+2s\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by 2.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7++=+s ALIGN=MIDDLE  ALT=\"7++=+s\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The length of a side of the square is 7cm.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );