Respuesta :

The perimeter of a rectangle is the sum of all the sides of the rectangle

perimeter = (8x-3) + (8x-3) +(10x -3) + (10x -3)

=> 8x -3 + 8x - 3 + 10x -3 + 10x -3

=>8x + 8x + 10x + 10x -3 -3 -3 -3

=> 36x -12

perimeter of the rectangle = 36x - 12

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