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-4 | 3 - 2x | < 4
-4 - 3 < | 3 - 3 - 2x | < 4 - 3
-7 < 2x < 1 (dibagi 2)
< x <
-4 < 3 - 2× < 4
-7 < -2× < 1
7/2 > × > -1/2