document.write( "Question 787123: A rectangle is 7 meters longer than it is wide. If the perimeter of the rectangle is 50 meters, find its area.
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Algebra.Com's Answer #478124 by Cromlix(4381)\"\" \"About 
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Width = x
\n" ); document.write( "Length = x + 7
\n" ); document.write( "Perimeter = 2*width + 2*length
\n" ); document.write( "50 = 2(x) + 2(x + 7)
\n" ); document.write( "50 = 2x + 2x + 14
\n" ); document.write( "Collect like terms
\n" ); document.write( "4x = 50 - 14
\n" ); document.write( "4x = 36
\n" ); document.write( "x = 9
\n" ); document.write( "Width = 9 metres
\n" ); document.write( "Length = 16 metres.
\n" ); document.write( "Hope this helps.
\n" ); document.write( ":-)
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