Tìm x biết

tìm x biết
$$\begin{gathered} a)\frac{1}{5}-\left|\frac{1}{5}-x\right|=\frac{1}{5} \\ b)-\frac{22}{15}\times x+\frac{1}{3}=\left|-\frac{2}{3}+\frac{1}{5}\right| \end{gathered}$$