Respuesta :

x = 2

Step-by-step explanation:

[tex] \frac{x + 4}{3} = \frac{x + 6}{4} \\ 4(x + 4) = 3(x + 6) \\ 4x + 18 = 3x + 12 \\ 4x - 3x = 18 - 16 \\ x = 2[/tex]