Question

-74 congruent mod 7​

Answer 1

If n is a positive integer, we say the integers a and b are congruent modulo n, and write a≡b(modn), if they have the same remainder on division by n. ... 1 {…,−6,1,8,15,…} are all congruent modulo 7 because their remainders on division by 7 equal 1.

Answer 2

Answer:

If n is a positive integer, we say the integers a and b are congruent modulo n, and write a≡b(modn), if they have the same remainder on division by n. ... 1 {…,−6,1,8,15,…} are all congruent modulo 7 because their remainders on division by 7 equal 1.

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