Question

If 17 = 3 (mod 7),9 = 2( mod 7), then a correct statement is​

Answer 1

Answer:

105 is a multiple of 7 which is one more than a multiple of 26. And 105 is 7 times 15. Therefore 15 is the multiplicative inverse of 7 modulo 26.

Answer 2

Answer:

Answer is 17+9=3+2(mod 7),

17x9=3x2(mod 7),

17-9=3-2(mod 7)