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2x -3 -4x +2 <3
2x-4x < 3+3-2
-2x < 4
x < -2
|- 2x - 1| < 3
- 3 < - 2x - 1 < 3
- 2 < - 2x < 3
- 2x > - 2
x < 1
- 2x < 3
x < - 3/2