Respuesta :

vialia

Answer:

x = 3

Step-by-step explanation:

9x + 8 = 4x + 23

9x - 4x + 8 = 4x - 4x + 23

5x + 8 = 23

5x = 23 - 8

5x = 15

5x/5 = 15/5

x = 3