Question

Помогите решить 1) - x = 10 2) - x = - 2 |x| - 4 = 2 3)4) - |x| = 4

Answer 1

Ответ:

• $- x = 10 \\ x = 10 \div ( - 1) \\ x = - 10$
• $- x = - 2 \\ x = - 2 \div ( - 1) \\ x = 2$
• $|x| - 4 = 2 \\ x - 4 = 2 \\ x = 4 + 2 \\ x = 6$

____и -6

• $- |x| = 4 \\ - x = 4 \\ x = 4 \div ( - 1) \\ x = - 4$

____и 4

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