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- 4x < 9
x > - 9/4
2. 3x/4 > 4/2 -1
-------------------- x 4
3x - 1 > 8 - 4
3x > 5/3
2x - 6 < 6x + 3
-4x < 9
x > -2,25
_________________
( 3x - 1 ) / 4 > 4/2 - 1
3x - 1 > 4
3x > 5
x > 1,67