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Verified answer
Materi : PertidaksamaanKelas : X SMA
2x - 1 < 11
2x < 12
x < 6
Hp = { x < 6 }
-1/2x < 2
-------------- × (-)
1/2x > -2
x > -2/1 × 2/1
x > -4
Hp = { x > -4 }
Hp Gabungan = { x I -4 < x < 6 }
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