\(y\div\frac{2}{10}+y\div12,5\%+4\div\frac{1}{y}+y+y\div0,5=\frac{20}{3}\)
\(\Rightarrow y\times5+y\times8+4\times y+y+y=\frac{20}{3}\)
\(\Rightarrow y\times\left(5+8+4+1+1\right)=\frac{20}{3}\)
\(\Rightarrow y\times19=\frac{20}{3}\)
\(\Rightarrow y=\frac{20}{3}\div19\)
\(\Rightarrow y=\frac{20}{57}\)