X+2 1/3+3 1/9 - 1 1/12=5 7/12
Х + 2 1/3 + 3 1/9 - 1 1/12 = 5 7/12 ----------------------------------------- Х + 2 3/9 + 3 1/9 = 5 7/12 + 1 1/12 Х + 5 4/9 = 6 8/12 Х + 5 2/3 = 6 2/3 Х = 6 2/3 - 5 2/3 Х = 1