matlocklandon matlocklandon
  • 10-01-2022
  • Mathematics
contestada

julio and roberto are brothers. julio who is 17 is three more than twice as old as his brother roberto how old is roberto

Respuesta :

mhanifa
mhanifa mhanifa
  • 10-01-2022

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
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