Q: Solve:
Solve 75*g + 21*g - 39*g = -2280 for g.

A: -40

Q: Solve:
Solve -1373*y = -42445 + 186610 for y.

A: -105

Q: Solve:
Solve -511*i + 10578 = 24375 for i.

A:
-27