Respuesta :

Answer:

4

Step-by-step explanation:

2 + 2 = x

2 = x - 2

1 = [tex]\frac{x}{2}[/tex] - 1

1 = [tex]\frac{x-2}{2}[/tex]

4 = 2x - 4

8 = 2x

x = 4

2 + 2 = 4