Tìm x :
47,5 - x = 17/10
x = 47,5 - 17/10
x = 45,8
Vậy x = 45,8
\(47,5-x=\frac{17}{10}\)
\(x=47,5-\frac{17}{10}\)
\(x=\frac{95}{2}-\frac{17}{10}\)
\(x=\frac{475}{10}-\frac{17}{10}\)
\(x=\frac{458}{10}\)
\(x=\frac{229}{5}\)
hay \(x=45,8\)
vậy \(x=45,8\)