a number is doubled and 7 is added . if resultant is trebled , it becomes 99 . what is that number
"explanation : = > 3 ( 2 x + 7 ) = 99 = > 2 x + 7 = 33 = > x = 13 option d"
divide(subtract(99, multiply(const_3, 7)), multiply(const_3, const_2))