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