Решите уравнение: 2/3*(1/3x-1/2)=4x+1/2
2/9*x-1/3=4x+1/2 4x-2/9*x=-1/3-1/2 3 7/9*x=-5/6 x=-5/6:3 7/9=-5/6*9/34 x=-15/68