Question

(x+1)! -7! X = X!
resolvere podrian ayudar​

Answer 1

Respuesta:

x = 7

Explicación paso a paso:

(x+1)! - 7! x = x!

(x+1) . x! - 7! x = x!

(x+1) . x! - x! = 7! x

x! . (x + 1 - 1) = 7! x

x! . x  = 7! . x

x! = 7! . x/x

x! = 7!

x = 7