Решите уравнение: у - 5/9y = 33/5

у - 5/9у = 33/59/9у - 5/9у = 33/54/9у = 33/5у = 33/5 : 4/9у = 33/5 * 9/4у = 33*9/5*4у = 297/20у = 14 17/20проверка:14 17/20 - 5/9 * 14 17/20 = 33/5297/20 - 5/9 * 297/20 = 33/5297/20 - 5*297/9*20 = 33/5297/20 - 1.485/180 = 33/5297/20 - 165/20 = 33/5132/20 = 33/533/5 = 33/5