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24-09-2018
Mathematics

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-2(5y - 1) - y = -4(y - 3)

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choixongdong choixongdong

24-09-2018

-2(5y - 1) - y = -4(y - 3)

- 10y + 2 - y = -4y + 12

- 11y + 2 = -4y + 12

-7y = 10

y = -10/7

y = - 1 3/7

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