Question

Solve for x
3x+5≡0 mod 9

Answer 1

3x+5=0

3x=0-5

3x=-5

Divide both sides by 3

-1.6666.......

Hope it helps.

As for mod 9, I don't understand.

Answer 2

`x=-\cfrac{5}{3}`

`x=-1.666`

Explanation:

`3x+5=0`

`3x+5-5=0-5`

`3x=-5`

`\cfrac{3x}{3}=\cfrac{-5}{3}`

`x=-\cfrac{5}{3}`