Question

Прошу допомоги!
Знайдіть значення виразу​

Answer 1

$\displaystyle\bf\\1)\\\\\frac{x+4y}{y} =10\\\\\\\frac{x}{y} +\frac{4y}{y} =10\\\\\\\frac{x}{y} +4=10\\\\\\\boxed{\frac{x}{y} =6}\\\\\\2)\\\\\frac{7x-y}{x}=\frac{7x}{x} -\frac{y}{x} =7-\frac{y}{x} =7-\frac{1}{\frac{x}{y} } =7-\frac{1}{6} =6\frac{5}{6} \\\\\\\boxed{\frac{7x-y}{x} =6\frac{5}{6} }$