Max is 24 years older than his son Liam in two years Liam will be half as old as max how old is Liam now?

M = L + 24; M + 2 + 2( L + 2) ie M + 2 = 2L + 4 ie M = 2L + 2

so L + 24 = 2L + 2 ie 22 = L. Max is 46 and Liam is 22. In 2 years Max will be 48 and Liam 24 QED