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Автор - musinov35365

решить уравнение х+27-х3=0

Ответ

Автор - Keiran
x+ frac{2}{7} - frac{x}{3} =0
 frac{21x+6-7x}{21} =0
21x+6-7x=0
14x=-6
x=- frac{3}{7}

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