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Автор - ALIGARH7

найдите значение x при котором верно равенство√ x-3=9

Ответ

Проверено экспертом

Автор - Universalka

sqrt{x-3}=9\\(sqrt{x-3})^{2}=9^{2}\\x-3=81\\x=84

Проверка :

sqrt{84-3}=9\\sqrt{81}=9\\9=9

Ответ : 84

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