Q: What is the solution?
Solve -757*s + 20205 = -7860*s - 462799 for s.

A: -68

Q: What is the solution?
Solve -22*w - 156 = -61*w for w.

A: 4

Q: What is the solution?
Solve 254*r - 10533 = -3675 for r.

A:
27