\(\left(x-12,7\right):0,48=427,5\\ x-12,7=427,5\times0,48\\ x-12,7=205,2\\ x=205,2+12,7\\ x=217,9\)
(x-12,7):0,48=427,5
(x-12,7) =427,5 x 0,48
(x-12,7) = 205,2
x = 205,2 + 12,7
x = 217,9
\((x-12,7):0,48=427,5\)
\(x-12,7=427,5\)\(\times\)\(0,48\)
\(x-12,7=205,2\)
\(x=205,2+12,7\)
\(x=217,9\)