Tìm x , biết: f) x − 3/7 ⋅ 14/9 = − 7/3 .
Giải thích
f) \(x - \frac{3}{7} \cdot \frac{{14}}{9} = - \frac{7}{3}\)
\(x - \frac{2}{3} = - \frac{7}{3}\)
\(x = - \frac{7}{3} + \frac{2}{3}\)
\(x = - \frac{5}{3}\)
Vậy \(x = - \frac{5}{3}.\)
f) \(x - \frac{3}{7} \cdot \frac{{14}}{9} = - \frac{7}{3}\)
\(x - \frac{2}{3} = - \frac{7}{3}\)
\(x = - \frac{7}{3} + \frac{2}{3}\)
\(x = - \frac{5}{3}\)
Vậy \(x = - \frac{5}{3}.\)