Crossword Genius

Exercise to solve (4,3)

Ross

I believe the answer is:

work out

I believe this is a double definition.

'exercise' is the first definition.
(I know that exercise can be written as work out)

'solve' is the second definition.
(I know that solve can be written as work out)

'to' is the link.

I've seen this clue in The Globe and Mail.
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