To solve a problem in English, you can say "resolve the issue" or "find a solution." These phrases come from the verb "resolve," which means to find an answer or solution to a problem or difficulty. Here are some examples of how you can use these phrases in sentences:

I'm going to try to resolve the issue with my co-worker.

Let's work together to find a solution to this problem.

The team spent hours trying to resolve the technical difficulties.

We need to come up with a solution to this financial crisis.

Overall, using the verb "resolve" and phrases like "resolve the issue" or "find a solution" are a clear and effective way to talk about solving problems in English.