Q: Solve:
Solve 63521*a + 454 = 63401*a - 7826 for a.

A: -69

Q: Solve:
Solve 18048 = 924*q - 3204 for q.

A: 23

Q: Solve:
Solve 0 = 96*s - 981 - 267 for s.

A:
13