Q: Solve:
Solve 0 = -146*f - 243 - 341 for f.

A: -4

Q: Solve:
Solve 19967*c - 19986*c = 209 for c.

A: -11

Q: Solve:
Solve -7193 = 381*q + 1779 - 971 for q.

A:
-21