Definition of solves:
(v) :
To find an answer or solution to a problem or question; to work out.
(v) :
to find out the perpetrator, the motive etc (of crime)
(v) :
(mathematics) To find the values of variables that satisfy a system of equations and/or inequalities.
(v) :
(mathematics) To algebraically manipulate an equation or inequality into a form that isolates a chosen variable on one side, so that the other side consists of an expression that may be used to generate solutions.
(v) :
(transitive) To loosen or separate the parts of.
(v) :
(chemistry, archaic) To dissolve