Решите уравнение: б) 1 y-1=1.

б) $$\frac{1}{4}y - \frac{1}{4} = \frac{1}{4}$$

$$\frac{1}{4}y = \frac{1}{4} + \frac{1}{4}$$ $$\frac{1}{4}y = \frac{2}{4}$$ $$y = \frac{2}{4} : \frac{1}{4}$$ $$y = \frac{2}{4} \cdot \frac{4}{1}$$ $$y = \frac{2 \cdot 4}{4}$$ $$y = 2$$

Ответ: y = 2