Q: What is the solution?
Solve 204*c + 192*c = 99*c + 26730 for c.

A: 90

Q: What is the solution?
Solve -478 = 3*u + 20*u - 363 for u.

A: -5

Q: What is the solution?
Solve -637*z - 5128 + 335 = -544*z + 2368 for z.

A:
-77