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The length of a rectangle is three centimeters less than twice its width. If the perimeter of the rectangle is 18 centimeters, find its dimensions. (Perimeter of rectangle P = 2L + 2W)

Respuesta :

Answer:

w = 4cm L = 5 cm

Step-by-step explanation:

w = w

L = 2w - 3

P = 18 = 2L + 2w

18 = 2(2w-3) + 2w

18 = 4w -6 + 2w

18 + 6 = 6w

24 = 6w

w = 4 cm

L = 2w - 3

L = 2(4) -3

L = 8 - 3

L = 5 cm

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