Resolved
Part of speech: verb
Definition: To find a solution to (a problem).
Example sentence: While I am in this world, I am resolved that no vexation shall put me out of temper if I can possibly command myself. Even old age, which is making strides towards me, shall not prevail to make me peevish.
Solved
Part of speech: adjective
Definition: Having a solution, having been explained or answered.
Part of speech: verb
Definition: To find an answer or solution to a problem or question; to work out.
Example sentence: Climate change is a terrible problem, and it absolutely needs to be solved. It deserves to be a huge priority.