Question

Решить уравнения.
1. |3х + 2| = 1.
2. |4х-1| = 1.
3. |5х-2|=2.
4. 3х-5/|х-1|-4 = 1

Answer 1

1. 3х+2=1
3х+2=-1
х=-1/3
х=-1