Q: Solve 0 = 63*d - 88*d + 225 for d.

A: 9

Q: Solve 260*p = 244*p - 64 for p.

A: -4

Q: Solve 33394 = -7*o + 33569 for o.

A: 25

Q: Solve 0 = -p + 15 - 7 for p.

A:
8