Question

ALGUIEN ? 12(x-5)! = (x-4)!

Answer 1

Respuesta:

16

Explicación paso a paso:

12(x-5)! = (x-4)!

12(x-5)! = (x-4)(x-4-1)!

12(x-5)! = (x-4)(x-5)!

12 = (x-4)

12+4 = x

16 = x

Comprobación:

12(x-5)! = (x-4)!

12(16-5)! = (16-4)!

12.11! = 12!

11! .12 = 12!

12! = 12!