Problem-solving instructions oral might obscure (9)

I believe the answer is:

algorithm

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'problem-solving instructions' is the definition.
I can't tell whether this definition defines the answer.

'oral might obscure' is the wordplay.
'obscure' indicates an anagram.
'oral'+'might'='oralmight'
'oralmight' is an anagram of 'ALGORITHM'.

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(Other definitions for algorithm that I've seen before include "Procedure" , "Step-by-step method for problem solving" , "Set of rules for solving problem by computer" , "Set of rules (for computer) to solve a problem" , "Problem-solving formula" .)

I've seen this clue in The Independent.

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