Предмет: Математика, автор: floret26

7х – 5 – (4х + 8) при х = 2/3
даю 15 баллов

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Автор ответа: Уритта1

0

Если х=2/3 то, 7х-5-(4х+8)=7х-5-4х-8=3х-+3=3×2/4-13=2-13=-11

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