Предмет: Алгебра, автор: xonq1337

-3(2x+1)<-7x решите неравенство

Ответы

Автор ответа: monkeyme

0

-3(2x+1) < -7x
-6x-3 < -7x
-6x+7x < 3
x < 3

Ответ: x∈(-бесконечность; 3)

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