Question

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

Answer 1

4,248-1,56х=53,76:(55-3,8)
4,248-1,56х=53,76:51,2
4,248-1,56х=1,05
1,56х=4,248-1,05
1,56х=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