1-(x-2/4 + 2/3)=x
źródło:
1-(x-\frac{2}{4}+\frac{2}{3})=x
1-(x-\frac{6}{12}+\frac{8}{12})=x
1-(x+\frac{2}{12})=x
1-(x+\frac{1}{6})=x
-x-\frac{1}{6}=x-1
-x-x=-1+\frac{1}{6}
-2x=-\frac{5}{6}
x=-\frac{5}{6}*(-\frac{1}{2})=\frac{5}{12}