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= 3X - X < 8 - 2
= 2X < 6
= X - 3
2) 2 (X - 3) < 4 (X - 2)
= 2X - 6 < 4X - 8
= 2X - 4X < 6 - 8
= -2X < -2
= X > 1
maaf kalau salah atau gak nyambung :)