СРОЧНО Найдите значение выражения [tex]\frac{6y-x}{6y+x}[/tex], если - №30626538

СРОЧНО Найдите значение выражения [tex]\frac{6y-x}{6y+x}[/tex], если [tex]\frac{y}{x}=7^{-1}[/tex]
- Предмет:
  Алгебра
- Автор:
  velveti56m
- 5 лет назад

Ответы 1

$\frac{y}{x}=7^{-1}$
$\frac{y}{x}= \frac{1}{7}$
$x=7y$
$\frac{6y-x}{6y+x}=\frac{6y-7y}{6y+7y} \frac{-y}{13y}=- \frac{1}{13}$
- Автор:
  flashbeps
- 5 лет назад
- 0
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