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5x - 8x < 19 - 1
-3x < 18
x < -6
2(4x + 1) ≥ 3(3x + 1)
8x + 2 ≥ 9x + 3
8x - 9x ≥ 3 - 2
-x ≥ 1
x ≤ -1
salah satunya adalah -6 ==> C