Question

inequacão
[1 – 2.(x-1)] < 2

Answer 1

[1 – 2.(x-1)] < 2

[1 – 2x + 2] < 2 ==> - 2x + 3 < 2

- 2x < 2 - 3 ==> - 2x < - 1 (-1)

2x > 1 ==> x > 1/2

Answer 2

[1 – 2.(x-1)] < 2
(1 - 2x + 2) < 2
- 2x + 3 < 2
- 2x < 2 - 3
- 2x < - 1
x > 1/2