Question: What is the solution?

Solve k + 16 = -3*k for k.

Answer: -4

Question: What is the solution?

Solve 1373 = -199*n - 816 for n.

Answer: -11

Question: What is the solution?

Solve -24 = 9*j + 3*j for j.

Answer: -2

Question: What is the solution?

Solve -874*o = -810*o - 1728 for o.

Answer:
27