Question

СПОЧНО ДАЮ 40 БАЛЛОВ УМОЛЯЮ

Answer 1

$\frac{5y + 1}{8} + \frac{3y + 2}{24} = 3 \: \: | \times 24 \\ 3(5y + 1) + 3y + 2 = 72 \\ 15y + 3 +3 y + 2 = 72 \\ 18y = 72 - 5 \\ 18y = 67 \\ y = \frac{67}{18} \\ y = 3 \frac{13}{18}$