Question

Помогите пожалуйста!
Решите уравнения​

Answer 1

$9x = 2x + 14 \\ 9x - 2x = 14 \\ 7x = 14 \\ x = 14 \div 7 \\ x = 2 \\ \\ 4x - (9 + 5x) = 7 - 3x \\ 4x - 9 - 5x = 7 - 3x \\ 4x - 5x + 3x = 7 + 9 \\ 2x = 16 \\ x = 16 \div 2 \\ x = 8$