Q: Solve 0 = -9*p + 70 - 25 for p.

A: 5

Q: Solve 125*u - 50 = 100*u for u.

A: 2

Q: Solve -529439*c = -527015*c - 118776 for c.

A: 49

Q: Solve 0 = -4*b + 149187 - 149191 for b.

A:
-1