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Mapel : MatematikaKelas : VIII SMP
Bab : Pertidaksamaan
Pembahasan :
3x - 5 < 4x + 3 ≤ -2x - 9
3x - 5 - 3 < 4x + 3 - 3 ≤ -2x - 9 - 3
3x - 8 < 4x ≤ -2x - 12
5x - 8 < 6x ≤ -12
6x > 5x - 8
x > -8
6x ≤ -12
x ≤ -2
Maka Notasi nilai x yang memenuhi adalah x > -8 atau x ≤ -2
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