Автор - jrahim908gmailcom

помогите плиз Решите уравнение: 7- y/6=5/9; x/56=8/7.​

Ответ

Автор - сок111213

7 -  frac{y}{6}  =  frac{5}{9}  \  frac{y}{6}  = 7 -  frac{5}{9}  \ frac{y}{6}  =6 frac{9}{9}  -  frac{5}{9}  \ frac{y}{6}  =6 frac{4}{9}  \ y = 6 frac{4}{9}  times 6 \ y =  frac{58 times 6}{9}  \ y =  frac{58 times 2}{3}  \ y =  frac{116}{3}  \ y = 38 frac{2}{3}

 frac{x}{56}  =  frac{8}{7}  \ x =  frac{56 times 8}{7}  \ x =  frac{8 times 8}{1}  \ x = 64

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