Q: Solve:
Solve -25508 = -633570*z + 632659*z for z.

A: 28

Q: Solve:
Solve -f - 494 = -479 for f.

A: -15

Q: Solve:
Solve 132*q + 20924 + 4120 - 1027 = -197*q for q.

A:
-73