GoodGus (x-1/4)+3 1/12= 7 1/3
(x-1/4) = 7 1/3- 3 1/12
(x-1/4) = 7 4/12 - 3 1/12
x-1/4= 4 3/12
x=4 3/12 - 1/4
x= 4 3/12 - 3/12
x=4
Ответ : 4.

62/3 - x - 0,25 = 21/6
62/3 - 0,25 - 21/6= x
62/3 - 1/4 - 21/6 = x
248-3-42/12= x
203/12=x
Ответ: х=203\12