Предмет: Алгебра, автор: kormaznataha

Помогите пожалуйста привести подобные слагаемые -y-2x+y-x

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Автор ответа: 56468vtf

-y-2x+y-x=-3x то есть y сокрошается потому что у них разные знаки а -2x-x складывается и получается -3x

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