solves is a form of:

Solve



verb — past tense: solved ; past participle: solved ; present participle: solving ;
1.
(TRANSITIVE) (to find the answer to [a problem or puzzle] or the way out of [a difficulty]) ដោះស្រាយ, រំលាយធាតុ, ញែកធាតុ, ផ្លាស់ភាពជា, រំលាយ (កិច្ចព្រមព្រៀង)
2.
(បច្ចេកទេស) ដោះស្រាយ, រកចម្លើយ
ENGLISH MEANING
noun
1.
A solution; an explanation.
verb — past tense: solved ; past participle: solved ; present participle: solving ;
1.
(TRANSITIVE) To explain; to resolve; to unfold; to clear up (what is obscure or difficult to be understood); to work out to a result or conclusion; as, to solve a doubt; to solve difficulties; to solve a problem.