A rectangle has a length 7 meters longer than double the width. The perimeter is 134 meters. Find the dimensions of the rectangle. 

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Let the width be "x".

Then the length is "2x+7".

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Perimeter = 2(width + length)

134 = 2(x + 2x+7)

67 = 3x+7

3x = 60

x = 20 meters (width)

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2x+7 = 47 meters (length)