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14-09-2019
Mathematics

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3 + 3(k + 3) = 6(k - 2) +9

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Аноним Аноним

14-09-2019

Step-by-step explanation:

3 + 3(k + 3) = 6(k - 2) + 9

3 + 3k + 9 = 6k - 12 + 9

12 + 12 - 9 = 6k - 3k

15 = 3k

k = 15/3

k = 5

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