Seudónimo
Seudónimo
30-01-2018
Mathematics
contestada
please help me thank you
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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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