Q: Solve:
Solve 1641*c - 5758*c = -28819 for c.

A: 7

Q: Solve:
Solve -1224 + 104 = 56*o for o.

A: -20

Q: Solve:
Solve 0 = -8061411*z + 8061315*z - 1056 for z.

A:
-11