Question

Поможіть Будь ласка!!!!!!!!!!!!!!!!

Answer 1

(1.6 : (23-х)) *21.25 = $2 \frac{5}{6}$

($( \frac{16}{10} * \frac{1}{23-10x} ) * \frac{85}{4} = \frac{17}{6}$

$\frac{16}{230-10x} * \frac{85}{4} = \frac{17}{6}$

$\frac{340}{230-10x} = \frac{17}{6}$

2040 = 3910-170x
170x=1870
x=11

Answer 2

решение во вложении------------------