РЕБЯТ СРОЧНО ПОМОГИТЕ РЕШИИЬ УРАВНЕНИЕ 8 2/3:(5/6x-5 1/3)-19/40=21/40

8*2/3:(5/6x-5/3)-19/40=21/408*2/3:5x-10/6-19/40=21/408*2/3:5x-10/6-19/40=21/408*2/3*6/5x-10-19/40=21/408*2*2/5x-10-19/40=21/4032/5x-10=19/40=21/4032/5x-10=21/40+19/4032/5x-10=21+19/4021/5x-10=40/4032/5x-10=132=5x-10-5x=-10-32-5x=-42x=42/5x=8 2/5Ответ: 8 2/5