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2
X + 3 < 3x - 1
-- ---
3 4
X - 3X < -1 - 2 3X - 1 < X + 3
---- --- --- --
3 4 mmc = 12 4 2 mmc = 8
4X - 9X < - 3 3 X - X < 3 + 1
---------- --- ---
12 4 2
- 5X < - 36 , ( - 1 ) 6 X - 4 X < 4
5X > 36 -----------
X . 36/5 8
2 X < 32
X < 32/2
X < 16
-- ---
3 4
X - 3X < -1 - 2 3X - 1 < X + 3
---- --- --- --
3 4 mmc = 12 4 2 mmc = 8
4X - 9X < - 3 3 X - X < 3 + 1
---------- --- ---
12 4 2
- 5X < - 36 , ( - 1 ) 6 X - 4 X < 4
5X > 36 -----------
X . 36/5 8
2 X < 32
X < 32/2
X < 16
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