Q: Solve:
Solve 543 = -26*s + 231 for s.

A: -12

Q: Solve:
Solve 225256 = 2607*s - 88*s - 58*s + 13610 for s.

A: 86

Q: Solve:
Solve 0 = 544*x - 554*x - 60 for x.

A:
-6