2. Решите уравнение:
$$ y - \frac{3}{4}y = 3\frac{3}{8} $$
$$ \frac{4}{4}y - \frac{3}{4}y = \frac{3 \cdot 8 + 3}{8} $$
$$ \frac{1}{4}y = \frac{27}{8} $$
$$ y = \frac{27}{8} : \frac{1}{4} $$
$$ y = \frac{27}{8} \cdot \frac{4}{1} $$
$$ y = \frac{27 \cdot 4}{8 \cdot 1} $$
$$ y = \frac{27}{2} = 13\frac{1}{2} $$
Ответ: $$13\frac{1}{2}$$