This is the 1943rd most frequent Russian word.
решать
To decide or to solve.
Here, 'решаю' means 'solving'. It denotes the process of finding a solution or answer to a problem, which is a common usage of the word in the context of tasks and challenges.
Я решаю задачу по математике.
I am solving a math problem.
In this sentence, 'решаем' means 'deciding'. It conveys the act of making a decision in a particular situation, showcasing another typical usage in decision-making contexts.
Мы решаем, куда пойти вечером.
We are deciding where to go in the evening.
Here, 'решает' means 'decides'. It illustrates the action of making a definitive choice or determination, emphasizing the choice aspects of the word.