Answer :

[tex]8k= \frac{4}{9} [/tex]

[tex]k= \frac{4}{ \frac{9}{8} } [/tex]

[tex]k=0.0555555555555...[/tex]


k in(-oo:+oo)

8*k=4/9 / / - 4/9
8*k-(4/9) = 0

8*k- 4/9 =0

8*k-4/9 = 0 / / 4/9

8*k= 4/9 / / :8

k = 4/9/8

k =1/18

k=1/18