Penjelasan dengan langkah-langkah:
2x - 1 < x + 1 < 3 - x
2x - 1 < x + 1
2x - x < 1 + 1
x < 2
x + 1 < 3 - x
x + x < 3 - 1
2x < 2
x < 2 : 2
x < 1
HP = { x | x < 1 }
Kelas 10
Pelajaran Matematika
Bab Pertidaksamaan
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Penjelasan dengan langkah-langkah:
2x - 1 < x + 1 < 3 - x
2x - 1 < x + 1
2x - x < 1 + 1
x < 2
x + 1 < 3 - x
x + x < 3 - 1
2x < 2
x < 2 : 2
x < 1
HP = { x | x < 1 }
Kelas 10
Pelajaran Matematika
Bab Pertidaksamaan