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Mathematics 28 Online
OpenStudy (anonymous):

Find all replacements (less than the modulus. for the question mark that make the statement true. 7 + ? ≡ 3 (mod 8) A. 7 B. 5 C. 4 D. 2

OpenStudy (anonymous):

C

OpenStudy (experimentx):

http://en.wikipedia.org/wiki/Congruence_relation

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