Question

2) помогите пожалуйста

Answer 1

2)

$\frac{10}{6 - x} = \frac{4}{x + 2} \\ 10(x + 2) = 4(6 - x) \\ 10x + 20 = 24 - 4x \\ 10x + 4x = 24 - 20 \\ 14x = 4 \\ x = 4 \div 14 \\ x = \frac{2}{7}$