- 8х - 4(9-7x) = -5x+1.
-8x - 36 + 28x = -5x + 1
20x - 36 = -5x + 1
20x + 5x = 1 + 36
25x = 37
$$x = \frac{37}{25} = 1,48$$
Ответ: 1,48