solve
US /sɑːlv/
UK /sɑːlv/

1.
resolver
find an answer to, explanation for, or means of effectively dealing with (a problem or mystery)
:
•
We need to solve this problem quickly.
Precisamos resolver este problema rapidamente.
•
Can you help me solve this puzzle?
Você pode me ajudar a resolver este quebra-cabeça?