Question

6(4/5)n-(8/9)=(7/15)n

Answer 1

\[6(\frac{4}{5})n-\frac{8}{9}=\frac{7}{15}n\]

Answer 2

\[\frac{24}{5}n-\frac{8}{9}=\frac{7}{15}n\]
\[-\frac{8}{9}=\frac{7}{15}n-\frac{24}{5}n\]
\[\frac{-8}{9}=\frac{-13}{3}n\]
\[n=\frac{8}{39}\]