8.* 1836 : (4x -26 ) = 18

Решим уравнение:

$$1836 : (4x - 26) = 18$$

$$4x - 26 = 1836 : 18$$

$$4x - 26 = 102$$

$$4x = 102 + 26$$

$$4x = 128$$

$$x = 128 : 4$$

$$x = 32$$

Ответ: x = 32