1 consider the differential equation dx = x (7 - 30t) at x + 9 ( a) Identify and state the dependent and independent variables of The differential equation . ( 6) classify the above differential equalian as directly integrable, Seperable , of lineer differential equation . ( 0) Find the general solution of the differential equations . 2 19 Find The general solution of the differential equation - x - 2 2 1 dy ( 5 ) Find the particalar solution their satisfies (0)