Question

is b(mod a) the same as b(mod -a)?

Answer 1

Yes indeed it is.

Answer 2

ok thank you! :)

Answer 3

any value in MOD remains positive.

Answer 4

then how would i rewrite x=-60r+17 as a module?

Answer 5

The modulus operator just gives you the remainder of a division... it makes no sense for that number to be negative. xd

Answer 6

hmmm... ok thanks :)