Answer:
The presents age of the mom is 42 years old, and of the son is 27 years old.
Explanation:
This question can be solved using a system of equations.
I am going to say that:
The mothers age is x.
The son's age is y.
12 years ago, a mother was twice as old as her son.
This means that:



Their present age are in the ratio of 14:9.
This means that:


Since







The presents age of the mom is 42 years old, and of the son is 27 years old.