Q: Solve:
Solve 66578 = -390*g + 68138 for g.

A: 4

Q: Solve:
Solve 20*u + 18 = -2 for u.

A: -1

Q: Solve:
Solve -4142*d - 2214*d + 1122*d - 565272 = 0 for d.

A:
-108