Предмет: Алгебра, автор: geraskinmihael

3х+11=5х+7(3х-5) помогите подробно пожалуйста ​

Ответы

Автор ответа: alesyaperova
0

Ответ:

3x + 11 = 5x + 21x - 35 \\ 3x + 11 = 26x - 35 \\ 3x + 11 - 26x + 35 = 0 \\ - 23x + 46 = 0 \\ - 23x = 0 - 46 \\ - 23x = - 46

x = - 46 \div ( - 23) \\ x = 2

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