Q: Solve 516*p = 529*p - 143 for p.

A: 11

Q: Solve -74 - 126 = -50*z for z.

A: 4

Q: Solve 2386*d + 7344 = 2233*d for d.

A: -48

Q: Solve 0 = 25*s - 19*s + 12 for s.

A:
-2