Respuesta :
Let Juan represent the letter J and Eva represent the letter e.
J=e+2
E=J-2
J+e=g.
J=e+2
E=J-2
J+e=g.
Step-by-step explanation:
Juan = (g) years old
Eva = Juan - 2
g - 2 = Eva's age
Eva + 2 = Juan's age
The question is vague.