Q: Solve:
Solve 54 = 3*d - 12*d for d.

A: -6

Q: Solve:
Solve 20137 = -6665*k + 9215 + 417487 for k.

A: 61

Q: Solve:
Solve -1748*s + 3807 + 18123 = 445*s for s.

A:
10