Find All Replacements (Less Than the Modulus) for the Question

question 95

Multiple Choice

Find all replacements (less than the modulus) for the question mark that make the statement true.
-4 ∙ ? ≡ 3 (mod 12)

• A) 0
• B) 1, 3, 5
• C)2, 4
• D)No solution

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