Question

Решите неравенство -3<1-2х/5-2<1

Answer 1

- 3 < ( ( 1 - 2x )/5 ) - 2 < 1
- 3 + 2 < ( 1 - 2x )/5 < 1 + 2
- 1 < ( 1 - 2x )/5 < 3
- 5 < 1 - 2x < 15
- 6 < - 2x < 14
- 3 < - x < 7
3 > x > - 7
Ответ ( - 7 ; 3 )