Questions & Answers about Он решил избавиться от старых вещей.
Решил is the past tense masculine singular form of решить = to decide.
It matches он because Russian past tense agrees with the subject in gender and number:
- он решил = he decided
- она решила = she decided
- они решили = they decided
So in this sentence, он решил literally means he decided.
After решить in the sense of to decide to do something, Russian normally uses an infinitive:
- решил уйти = decided to leave
- решил купить = decided to buy
- решил избавиться = decided to get rid of
So the structure is:
он решил + infinitive
That is the standard way to say he decided to ...