x-1|1- ------ |＜=2怎么解?要具体过程一步一步3上面那是1-（x-1）\3的绝对值

x-1|1- ------ |＜=2怎么解?要具体过程一步一步3上面那是1-（x-1）\3的绝对值
x-1
|1- ------ |＜=2怎么解?要具体过程一步一步
3
上面那是1-（x-1）\3的绝对值

x-1|1- ------ |＜=2怎么解?要具体过程一步一步3上面那是1-（x-1）\3的绝对值
|1-（x-1）/3|<=2
-2<=1-(x-1)/3<=2
-6<=3-(x-1)<=6
-6<=3-x+1<=6
-6<=-x+4<=6
-10<=-x<=2
-2<=x<=10

小于等于-2，大于等于10