Решите уравнение!! 42,21:(21x-7)=14,07

[latex] \frac{42,21}{21x-7} =14,07 \\ 42,21=14,07(21x-7) \\ 295,47x-98,49=42,21 \\ 295,47x=140,7 \\ x= \frac{1407}{10} * \frac{100}{29547} \\ x= \frac{10}{21} [/latex]