Q: Solve:
Solve 25413 = 102*z + 489*z for z.

A: 43

Q: Solve:
Solve -4*h + 4*h - 4*h = 0 for h.

A: 0

Q: Solve:
Solve 0 = -6028*p + 6029*p - 4 for p.

A:
4