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11-09-2017
Mathematics

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the sides of a rectangle have a length of x + 6 units and a width of 7 x - 2 units what is the perimeter of the rectangle, in terms of x?

Respuesta :

11-09-2017

You have both sides twice, so the perimeter is:

2(x+6) + 2(7x-2) = 2x+6+14x-4 = 16x+2

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