# Find solution : $(x-2y+1) dy -(3x-6y+2)dx=0$
$(a)\;5(x-2y)+10 \log (x -2y+\frac{3}{5})+x=c \\ (b)\;\frac{1}{5}(x-2y)+\frac{2}{25} \log (x -2y+\frac{3}{5})+x=c \\ (c)\;x-2y+\frac{2}{5}\log (x -2y+\frac{3}{5})+x=c \\ (d)\;5(x-2y)+10 \log (x +2y+\frac{3}{5})+x=c$