Respuesta :

Step-by-step explanation:

(5/8)*(4*x-16) = 20 // - 20

(5/8)*(4*x-16)-20 = 0

5/2*x-30 = 0

5/2*x-30 = 0 // + 30

5/2*x = 30 // : 5/2

x = 30/5/2

solution

x = 12