Предмет: Математика, автор: mihatiko52

помогите решить 2 номера

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Автор ответа: ЛилияВайберт

1

Ответ на фотографии.

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Автор ответа: Schoolassistant

1

2)-9(х-4)+5(х-2)-3(3х+2)=-9х+36+5х-10-9х-6=-13х+20
3)6(х-3)-5(х-1)=15
6х-18-5х+5=15
х-13=15
х=15+13
х=28

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