Q: What is the solution?
Solve 8*n = 55*n + 45*n - 552 for n.

A: 6

Q: What is the solution?
Solve 0 = -7*k + 164 - 206 for k.

A: -6

Q: What is the solution?
Solve 0 = 30*s - 67*s for s.

A:
0