X/5 -4 = -0,1 x +2 4 1/6 - 1 1/3 x = 4 x + 3 5/18 Решите пожалуйста

Решите задачу:

$\frac{x}{5} - 4 = - 0.1x + 2 \\ x - 20 = - 0.5x + 10 \\ 1.5x = 30 \\ x = 30 \div 1.5 \\ x = 20 \\ \\ 4 \frac{1}{6} - \frac{11}{3} x = 4x + 3 \frac{5}{18} \\ 4x + 3 \frac{2}{3} x = 4 \frac{1}{6} - 3 \frac{5}{18} = \\ 7 \frac{2}{3} x = 4 \frac{3}{18} - 3 \frac{5}{18} = \frac{16}{18} \\ \frac{23}{3} x = \frac{8}{9} \\ x = \frac{8}{9} \div \frac{23}{3} = \frac{8}{69}$