5. 4 – 2m/3 = m + 1

5. $$4 - \frac{2m}{3} = m + 1$$

$$-\frac{2m}{3} - m = 1-4$$ $$-\frac{2m}{3} - \frac{3m}{3} = -3$$ $$-\frac{5m}{3} = -3$$ $$-5m = -9$$ $$m = \frac{-9}{-5} = \frac{9}{5}$$ $$m = 1.8$$

Ответ: 1.8