[tex] \frac{1}{2} (1- \frac{3}{5})x= \frac{3}{5}x-8 \\ \\ \frac{1}{2} * \frac{2}{5}x= \frac{3}{5}x-8 \\ \\ \frac{1}{5}x= \frac{3}{5}x-8 \\ \\ \frac{3}{5}x-8 =\frac{1}{5}x \\ \\ \frac{3}{5}x -\frac{1}{5}x=8 \\ \\ \frac{2}{5}x=8 \\ \\ x=8* \frac{5}{2} =\frac{8*5}{2} =4*5=\boxed{20 \text{ prosoape are mama}}[/tex]