Q: Solve:
Solve 16*o - 25 = 21*o for o.

A: -5

Q: Solve:
Solve 481*x - 333*x + 1478 - 7546 = 0 for x.

A: 41

Q: Solve:
Solve -45 - 125 + 91 - 121 = -20*q for q.

A:
10