Respuesta :

x + 5 = 39
                   -5 from both sides
x=39-5
x=34
He would be 34 years old, this equation represents it:
39-5=34
You set up the equation this way because if he added 5 years to his age that would be equivalent to +5, so to get his current age you just subtract five from 39

Otras preguntas