Автор - unirgazievadina

(2x-13)×7=7²
Срочно помогите пожалуйста
!!!!!!!!!

Ответ

Автор - pusik27

(2x - 13) times 7 =  {7}^{2}

14x - 91 = 49

14x = 49 + 91

14x = 140 \ x =  frac{140}{14}

x = 10

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