Автор - BadBoy86rus

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Ответ

Автор - fariza2727

 frac{10}{x + 7}  =  frac{5}{ - 8}

5x+35=-80

5x=-80-35

5x=-115

x=-115/5

x=-23

5×(-23)+35=-80

-80=-80

Ответ

Автор - natalishatkevich1304

5x+35=-80

5x= -80-35

5x= -115

x= -23

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