Question

Помогите пожалуйста

Answer 1

$\frac{x}{36} + \frac{12}{36} - \frac{3}{36} = \frac{16}{36} \\ x + 12 - 3 = 16 \\ x + 9 = 16 \\ x = 16 - 9 \\ x = 7$

Answer 2

(х/36 + 12/36) – 3/36 = 16/36
(х/36 + 1/3) – 3/36 = 4/9
х/36 + 1/3 – 3/36 = 4/9
х/36 + 1/4 = 4/9
х + 9 = 16
х = 16 – 9
х = 7