Q: Solve:
Solve 452 + 52 + 9 = -57*c for c.

A: -9

Q: Solve:
Solve -20790 = 1638487*t - 1638757*t for t.

A: 77

Q: Solve:
Solve -518*t - 15952 = 461*t - 1267 for t.

A:
-15