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1/3 x - x > - 1 +2
- 2/3 x > 1 | : (-2/3)
x < -1 1/2
x+3>3x+6
-2x>3 /:(-2)
x<-3/2
x∈(-∞;-3/2)
1/3x - x > 2 - 1
-2/3x > 1 \ *3
-2x > 3 \ :-2
x < - 3/2
x < - 1 1/2