Respuesta :

Answer:

x = 1

Step-by-step explanation:

Substitute f(x) = -4 as we get:-

-4=-5x+1

-4-1=-5x+1-1 —> subtract both sides by 1

-5=-5x

-5/-5=-5x/-5 —> divide both sides by -5

1=x

Therefore x = 1