Предмет: Математика, автор: Аноним

Допоможіть будь ласка. І не пишіть що заманеться. Дякую!​

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Ответы

Автор ответа: jekadva
0

Ответ:

Пошаговое объяснение:

1)

все уравнение домножаем на 10, чтобы избавиться от дробей

5x - 6x = 10

-x = 10

x = -10

===========

2)

12*(2x + 1) = 6*(x - 1)

24x + 12 = 6x - 6

24x - 6x = -6 - 12

18x = -18

x = -18:18

x = -1

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