Question: What is the solution?

Solve -40816*f - 32538 = -41773*f for f.

Answer: 34

Question: What is the solution?

Solve -12*u = -7*u + 25 for u.

Answer: -5

Question: What is the solution?

Solve -785*s + 6399 + 18721 = 0 for s.

Answer: 32

Question: What is the solution?

Solve 25*q = 30*q + 25 for q.

Answer:
-5