Решите уравнение 2(x-1)/1/3x-1=4
2(х-1)=4*(1/3х-1) 2(х-1)=4/3х-4 х-1=(4/3х-4)/2 х-1=4/6х-2 х-4/6х= - 2-1 1/3х= - 1 х= - 3