Question

- k/3 + 8 <_ 7

Answer 1

-k/3 + 8 <= 7

-k/3 <= 7-8

-k/3 <= -1

-k <= -1*3

-k <= -3

k >= -3/(-1) (keep in mind that the sign will flip here)

k >= 3


So the answer is \[\Large k \ge 3\]