3 1/6-(х+1 1/12)=1/4
3 1/6-(х+1 1/12)=1/4 3 2/12 - x - 1 1/12 = 3/12 2 1/12 - x = 3/12 x = 2 1/12 - 3/12 x = 1 10/12 x = 1 5/6