Question

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

Answer 1

$53.76:(4.248-1.56x)+3.8=55 \\ 53.76:(4.248-1.56x)=55 -3.8 \\ 53.76:(4.248-1.56x)=51.2 \\ 4.248-1.56x=53.76:51.2 \\ 4.248-1.56x=1.05 \\ 1.56x=4.248-1.05 \\ 1.56x=3.198 \\ x=3.198:1.56 \\ x=2.05$