Respuesta :

Answer:

  • Roberto is 7

Step-by-step explanation:

Julio - x, Roberto - y

Given:

  • x = 17
  • x = 2y + 3

Substitute the value of x and solve for y:

  • 2y + 3 = 17
  • 2y = 14
  • y = 14/2
  • y = 7