Q: Solve:
Solve 0 = 1275*x - 1421*x + 730 for x.

A: 5

Q: Solve:
Solve -2*c = -16 + 18 for c.

A: -1

Q: Solve:
Solve -569*d - 15611 = -454 + 1913 for d.

A:
-30