Предмет: Математика, автор: hajizadehayan

(x-57) меньше, чем (-7+5х) на 2 единицы. Найдите х
10 баллов

Ответы

Автор ответа: sergiy212109

0

Ответ:

(x - 57) < (-7 + 5x) - 2 // вычитаем 2 из правой части неравенства

x - 57 < -9 + 5x

57 - 9 < 5x - x // перемещаем все x на одну сторону

48 < 4x

12 < x

Ответ: x > 12.

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