A question from a test i had today

[NightFire]

Homework Statement

a question from a test in discrete math:
find 3 positive numbers that are larger than 1, that 28=-17(mod m)

Homework Equations

which is 28 + 17/m = t
so its 55/m = t
can i say that m= 55,11,5 because they devise 55?

thanks

The Attempt at a Solution

 

[tiny-tim]

Hi NightFire!

erm … 28 + 17 = 45

otherwise ok! ​

 

[NightFire]

Hi NightFire!

erm … 28 + 17 = 45

otherwise ok! ​

Oh sry my bad! it was -27 and not -17 lol, so yea: 28= -27(mod m)

Thanks! :)