Q: What is the solution?
Solve 1180*a = 1347*a - 668 for a.

A: 4

Q: What is the solution?
Solve 99*y = 203*y + 151*y + 21420 for y.

A: -84

Q: What is the solution?
Solve -6092 - 3903 - 7732 = 933*s for s.

A:
-19