\(x+x.\frac{1}{3}+\frac{5}{18}=\frac{7}{6}\)
\(\Rightarrow x.\left(1+\frac{1}{3}\right)=\frac{7}{6}-\frac{5}{18}\)
\(\Rightarrow x.\frac{4}{3}=\frac{21-5}{18}=\frac{16}{18}=\frac{8}{9}\)
\(\Rightarrow x=\frac{8}{9}:\frac{4}{3}=\frac{2}{3}\)
Ủng hộ mk nha,chúc các bn học tốt!!!