Question

If Dora was born in 1981 and her son was born 25 years after that what is an equation that could help solve that

Answer 1

1981+25
Since she was born in the year 1981, and her son was born 25 years later so you add 25

Answer 2

if you want to know the age different just subtract 1981 by 25
this question is not very detailed.