The age of the mother is 10 more than 5 times the age of her son. After 9 years, the mother's age would be 3 times of her son's age. Calculate the present age of the son and mother by using the substitution method.
 
shutterstock_184394288.jpg
 
The age of mother \(=\)  years
 
The age of son \(=\)  years