Question

Tìm x biết   \(x\times\frac{1}{9}=\frac{21}{8}\)

Answer 1

\(x\times\frac{1}{9}=\frac{21}{8}\)

\(x=\frac{21}{8}:\frac{1}{9}\)

\(x=\frac{189}{21}\)

Answer 2

\(x\times\frac{1}{9}=\frac{21}{8}\Rightarrow x=\frac{21}{8}:\frac{1}{9}\Rightarrow x=\frac{21}{8}.9\Rightarrow x=\frac{189}{8}\)