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30-01-2018
Mathematics

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choixongdong choixongdong

30-01-2018

9 / (4x-2) = 12 / (3x+2)
9 (3x+2) = 12 (4x-2)
27x + 18 = 48x - 24
48x - 27x = 18 + 24
21x = 42
x = 2

answer is C
x = 2

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