16 - 7k ≥ 8 + 3(-5k+8)
Distributing,
16 - 7k ≥ 8 + 3(-5k) + 3(8)
16 - 7k ≥ 8 - 15k + 24
16 - 7k ≥ (8 + 24) - 15k
16 - 7k ≥ 32 - 15k
15 is subtracting on the right, then it will add on the left
16 is adding on the left, then it will subtract on the right
-7k + 15k ≥ 32 - 16
8k ≥ 16
8 is multiplying on the left, then it will divide o the right
k ≥ 16/8
k ≥ 2