document.write( "Question 795474: The perimeter of a rectangle is 53cm. If the length is four times the width decreased by 11cm, find its dimensions. \n" ); document.write( "
Algebra.Com's Answer #481002 by waynest(281)\"\" \"About 
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length = 4w - 11
\n" ); document.write( "width = w
\n" ); document.write( "perimeter = 53\r
\n" ); document.write( "\n" ); document.write( "2w + 2(4w - 11) = 53
\n" ); document.write( "2w + 8w - 22 = 53
\n" ); document.write( "19w - 22 + 22 = 53 + 22
\n" ); document.write( "10w = 75
\n" ); document.write( "10w/10 = 75/10
\n" ); document.write( "w = 7.5\r
\n" ); document.write( "\n" ); document.write( "check:
\n" ); document.write( "2(7.5) + 2(4(7.5) - 11) = 53
\n" ); document.write( "15 + 2( 30 - 11) = 53
\n" ); document.write( "15 + 2(19) = 53
\n" ); document.write( "15 + 38 = 53
\n" ); document.write( "53 = 53
\n" ); document.write( "
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