Решите уравнение: 3 1/6 (x+1 1/21)= 1/4
19/6 (х+11/21) =1/4 |*12 38(х+11/21) =3 38х + 418/21 = 3 |*21 798х + 418 = 63 798х = 63-418 798х = -355 х = - 355/798