2целых 1/3 + ( х- 1/6) = - 4 целых 5/9

2 целых 1/3 + ( х- 1/6) = - 4 целых 5/9
7/3 + x - 1/6 = -41/9
х = -42/18 + 3/18 - 82/18
х= (-42+3-82)\18
х=-121/18

2 1/3 + (x - 1/6) = - 4 5/9
2 6/18 + x - 3/18 = - 4 10/18
x = - 4 10/18 - 2 6/18 + 3/18
x = - 6 13/18

ответ: {- 6 13/18}