Carlie and Cassie Age Question

Lucy was 12 years older than Bob and Barbra was 6 years younger than Lucy. How old are they now if their ages combined equal 39, 3 years ago. 

Past

Lucy was 12 years older than Bob and Barbra was 6 years younger than Lucy. How old are they if their ages combined equal 39 ; 3 years ago

Future

Pablo is 9 years younger than Tyrone and Uniqua is 5 years older than Pablo. What are their ages now if 4 years from now their combined ages equal 53?