a man is 18 years older than his son . in eight years , his age will be twice the age of his son . the present age of this son is
"explanation : let ' s son age is x , then father age is x + 18 . = > 2 ( x + 8 ) = ( x + 18 + 8 ) = > 2 x + 16 = x + 26 = > x = 10 years answer : option b"
divide(subtract(18, subtract(multiply(const_2, const_2), const_2)), subtract(const_2, const_1))