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

Answer:

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

$x=-1.666$

Step-by-step explanation:

$3x+5=0$

$3x+5-5=0-5$

$3x=-5$

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

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