When to use to solve in Korean
Korean: 해결하다[ hae-gyeol-ha-da ]

When to use it
To solve means to fix a problem or find an answer. You use 해결하다 when a problem, question, or difficult situation becomes okay. It is common for school work, computer problems, misunderstandings, and other daily troubles.
Example sentences
저는 수학 문제를 해결했어요.
I solved the math problem.
아빠가 컴퓨터 문제를 해결했어요.
Dad solved the computer problem.
친구와 이야기해서 오해를 해결했어요.
We talked and solved the misunderstanding.
점원이 계산 문제를 바로 해결했어요.
The clerk solved the payment problem right away.
역 직원이 표 문제를 해결해 줬어요.
The station worker solved the ticket problem for us.
호텔 직원이 방 문제를 해결해 줬어요.
The hotel staff solved the room problem for us.