Respuesta :

Answer:

52 years old

Step-by-step explanation:

let this mans age be a

400-3a=244

400=244+3a

400-244=3a

156=3a

a=52

Answer:

52 years old

Step-by-step explanation:

Let x= man's age

400-3x=244

-3x=-156

x=52

The man is 52 years old.

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