Предмет: Математика, автор: AisuluZ

Помогите решить уравнение 8-(-х)=-13

Ответы

Автор ответа: konstantinstar1

0

8-(-х)=-13
-(-х)=-13-8
-(-х)=-21
меняем знаки в правой и левой части
-х=21
х=-21
Вот так

Автор ответа: AisuluZ

0

8-(-21) не равняются -13.

Автор ответа: AisuluZ

0

8-(-(-21))=-13

Автор ответа: konstantinstar1

0

исправил

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