sum of two numbers is 30 . two times of the first exceeds by 10 from the three times of the other . then the numbers will be ?
"explanation : x + y = 30 2 x ã ¢ â ‚ ¬ â € œ 3 y = 10 x = 16 y = 14 answer : b"
subtract(30, divide(subtract(30, divide(10, const_2)), const_2))