Предмет: Математика, автор: missisoladuska1

Первый ответ сделаю лучшим​

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Ответы

Автор ответа: olenakotsuba252881
0

Ответ:

2х+3.5=11-4х-4.5

2х+4х=11-4.5-3.5

6х=-3

х=-3:6

х=-0.5

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