Question: What is the solution?

Solve 256*v + 12989 = -1050 - 553 for v.

Answer: -57

Question: What is the solution?

Solve 0 = -123984*c + 123948*c - 1080 for c.

Answer: -30

Question: What is the solution?

Solve 22354*x - 22471*x = 4563 for x.

Answer: -39

Question: What is the solution?

Solve 131159*w - 631533 = 138418*w for w.

Answer:
-87