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2 × 4 + b = 10
8 + b = 10
b = 10 - 8
b = 2
Uji tiap pilihan:
A. b = 2 (benar)
B. a + b = 6
4 + 2 = 6
6 = 6 (benar)
C. 2a > 3b
2 × 4 > 3 × 2
8 > 6 (benar)
D. b - a > b - 2
2 - 4 > 2 - 2
-2 > 0 (salah)
Jawaban: D