document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=53532>Question 53532</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a small rectangular wallet photo, the widith is 7 cm less than the length. If the border (perimeter) of the photo is 34cm, find the length and width </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #35789 by </B><A HREF=/tutors/aboutme.mpl?userid=funmath><B>funmath(2933)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=funmath><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=35789\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The opposite sides of rectangles are equal.  You have 2 widths (W)of the same size and 2 lengths (L) of the same size.  If you add up all the sides of a figure, you get its perimater (P).  Therefore, the formula for the perimeter of a rectangle is:<BR>\n" );
document.write( "P=W+W+L+L<BR>\n" );
document.write( "P=2W+2L<BR>\n" );
document.write( "P=34 cm<BR>\n" );
document.write( "L=x<BR>\n" );
document.write( "W=x-7<BR>\n" );
document.write( "Substitute these values into the formula for the perimeter of a rectangle and you get: <BR>\n" );
document.write( "34=2(x-7)+2x<BR>\n" );
document.write( "34=2(x)+2(-7)+2x<BR>\n" );
document.write( "34=2x-14+2x<BR>\n" );
document.write( "34=(2+2)x-14<BR>\n" );
document.write( "34=4x-14<BR>\n" );
document.write( "34+14=4x-14+14<BR>\n" );
document.write( "48=4x<BR>\n" );
document.write( "48/4=4x/4<BR>\n" );
document.write( "12=x<BR>\n" );
document.write( "Length=x=12 cm<BR>\n" );
document.write( "Width=x-7=12-7=5 cm </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );