document.write( "Question 75193: If the perimeter of a rectangle is 24 ft and the width is 7 ft, find its length. [Hint: The perimeter of a rectangle is given by P = 2L + 2W.] \n" ); document.write( "
Algebra.Com's Answer #53987 by checkley75(3666)\"\" \"About 
You can put this solution on YOUR website!
2*7+2x=24
\n" ); document.write( "14+2x=24
\n" ); document.write( "2x=24-14
\n" ); document.write( "2x=10
\n" ); document.write( "x=10/2
\n" ); document.write( "x=5 ft. answer for the length.
\n" ); document.write( "proof
\n" ); document.write( "2*7+2*5=24
\n" ); document.write( "14=10=24
\n" ); document.write( "24=24
\n" ); document.write( "
\n" ); document.write( "
\n" );