Реши уравнение

53,76 : (4,248 - 1,56x) + 3,8=55

4,248-1,56 х=53,76: (55-3,8)

4,248-1,56 х=53,76:51,2

4,248-1,56 х=1,05

1,56 х=4,248-1,05

1,56 х=3,198

х=3,198:1,56

х=2,05

проверка

53,76: (4,248-1,56*2,05) + 3,8=55

53,76: (4,248-3,198) + 3,8=55

53,76:1,05+3,8=55

55=55