5 1//3-4 2//9x-1//9*(x-3)=0 16//3-4 2//9x-1//9x-3=0 16//3-38//9x-(1//9x-1//3)=0 16//3-13//3x+1//3=0 17//3-13//3x=0 13//3x=17//3 x=-(-17//3)/(13//3) x=(17//3)/(13//3) x=17//13 x=1 4//13 // - черта дроби