Tìm x, biết: |2x - 5| = x - 2; |3 - 7x| - x - 1 = 0; |4x - 1| + x - 1 = 0

Tìm x, biết:
1) |2x-5|=x-2
2) |3-7x| -x-1=0
3)|4x-1|+x-1=0
4) |2x-3|+ |x-5|=2x
5) |6-3x|-|2x+1|=3
6) |3x+5|-|2x-6|+|x-7|=3x+2