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12–3x + 6x + 2>=-2x–1
3x + 14>=-2x–1
3x + 2x >=–1–14
5x >= –15
x >= –3
hp={–3,–2,–1,0,1,2,3,...}
jawabannya C
semoga membantu ya...
3(4-x) + 2(3+1) ≥ - 2x - 1
12 - 3x + 6 + 2 ≥ - 2x - 1
12 + 6 + 2 + 1 ≥ - 2x + 3x
21 ≤ x
jawabannya adalah b.
maaf kalau salah ................