15) $\frac{14m-n}{xy}-\frac{2n-3m}{xy}=$

Question

Вопрос: $Фото задания: 15) $\frac{14m-n}{xy}-\frac{2n-3m}{xy}=$$ Фото задания

Accepted Answer

$\frac{14m-n}{xy}-\frac{2n-3m}{xy}=\frac{14m-n-(2n-3m)}{xy}=\frac{14m-n-2n+3m}{xy}=\frac{17m-3n}{xy}$.

Ответ: $\frac{17m-3n}{xy}$

15) \(\frac{14m-n}{xy}-\frac{2n-3m}{xy}=\)