Question

Пожалуйста помогите дам 25 балов!!!!!

Answer 1

2 / 7 = x+5 / 28

28/7 = 4 => 2*4 = 8 => 8-5=3 => x = 3

4 / 9 = 12 / x+2

12/4=3 => 9*3 = 27 => 27-2=25 => x = 25