\(x\times\frac{11}{5}-x\times\frac{4}{7}=\frac{5}{77}\)
\(x\times\left(\frac{11}{5}-\frac{4}{7}\right)=\frac{5}{77}\)
\(x\times\frac{57}{35}=\frac{5}{77}\)
\(x=\frac{5}{77}:\frac{57}{35}\)
\(x=\frac{25}{627}\)
\(x\times\frac{11}{5}-x\times\frac{4}{7}=\frac{5}{77}\)
\(x\times\left(\frac{11}{5}-\frac{4}{7}\right)=\frac{5}{77}\)
\(x\times\frac{57}{35}=\frac{5}{77}\)
\(x=\frac{5}{77}:\frac{57}{35}\)
\(x=\frac{25}{627}\)