Решите уравнение (4x-3)/7-x/3=3

(4x-3)/7-x/3=3 3(4x-3) / 21 - 7x / 21 = 3 (12x-9-7x) / 21 = 3 5x-9 / 21 = 3 5x-9 = 21*3 5x-9 = 63 5x = 72 x = 72/5