Question: What is the solution?

Solve 0 = 31*o - 37*o for o.

Answer: 0

Question: What is the solution?

Solve -169 - 595 = -325*k + 211 for k.

Answer: 3

Question: What is the solution?

Solve -266*t = 382*t - 769*t + 1452 for t.

Answer: 12

Question: What is the solution?

Solve -i - 25 = -21 for i.

Answer:
-4