Question

РЕБЯТ СРОЧНЯНСКИЙ ПОМОГИТЕ РЕШИТЬ

Answer 1

,......................

Answer 2

$\frac{3y}{4} - \frac{y-2}{5} = \frac{5-y}{2}$ | ×20
15y - 4(y-2) = 10(5-y)
15y - 4y + 8 = 50 - 10y
11y + 8 = 50 - 10y
11y + 10y = 50 - 8
21y = 42
y = 2
Ответ: 2