X x 3/5 = 2/3 + 1/6
\(Xx\dfrac{3}{5}=\dfrac{5}{6}\)
\(X=\dfrac{5}{6}:\dfrac{3}{5}\)
\(X=\dfrac{5}{6}\times\dfrac{5}{3}\)
\(X=\dfrac{25}{18}\)
\(x=\left(\dfrac{2}{3}+\dfrac{1}{6}\right):\dfrac{3}{5}=\left(\dfrac{4}{6}+\dfrac{1}{6}\right):\dfrac{3}{5}=\dfrac{5}{6}:\dfrac{3}{5}=\dfrac{25}{18}\)