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3x - 6 < - 0 atau 3x - 6 > 0
3x < -0 + 6 3x > 0 + 6
3x < 6 3x > 6
x < 6/3 x > 6/3
x < 2 x > 2
(lupakan negatif yg ada di 0)
3. 3x > 7 - x
3x + x > 7
4x > 7
x > 7/4
(maaf, jawabannya begini. Aku jawab sesuai yg diajarkan guruku)
maaf, cuman 1 dan yg bisa kukerjakan. semoga jawabannya benar