Q: Solve:
Solve 0 = 12*m + 3*m for m.

A: 0

Q: Solve:
Solve 2374*p - 16497 = 2797*p for p.

A: -39

Q: Solve:
Solve -159*s - 18*s - 4123 = 40*s for s.

A:
-19