Question

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Answer 1

Ответ: x = 7

Пошаговое объяснение:

(3/7x - 5/6) * 1 2/13 = 2 1/2

3/7x - 5/6 = 2 1/2 : 1 2/13

3/7x - 5/6 = 5/2 * 13/15

3/7x - 5/6 = 13/6

3/7x = 13/6 + 5/6

3/7x = 18/6

3/7x = 3

x = 3 : 3/7

x = 3 * 7/3

x = 7