Question

the sum of ages of father and his son is 53 years
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Answer 1

Step-by-step explanation:

40+13=53 this is your answer

Answer 2

Let the age of the father be x

and his son be y

so the equation will look like this:-

x + y = 53

here we can transform the equation like this

x = 53-y

substituting this value,

x + y = 53

53 - y + y = 53

53=53

Hence prooved