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Core Module โ Mathematical Equations (Set 3)
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Question 6
Question 6 of 10
โก
If 2a - 3b = 12 and a = 9, what is b?
A
1
B
2
C
3
D
4
๐ก Explanation
2(9) - 3b = 12 โ 18 - 3b = 12 โ 3b = 6 โ b = 2.
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