Question 1155193
When you were born, Claire, I was 24 years old.
  m = my present age
then
 (m-24) = Claire's age
Today I'm twice the age you were when I was the age you are.
2(m-24) = m 
2m - 48 = m 
2m - m = 48
m = 48 is my age
:
:
Clair is 48-24 = 24, 24 yrs ago m was 24