Question

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

Answer 1

7+x=3 :)

Answer 2

7+x<3

is that what you mean?

Answer 3

idk ive never done mod beforeee

Answer 4

well mod in rhs is 3

Answer 5

rhs ?

Answer 6

right hand side

Answer 7

10 mod 3

is just 10/3 and it returns ramainder so it is


1

so 3 mod 8 is 3