Q: Solve:
Solve -11*p = -25 - 30 for p.

A: 5

Q: Solve:
Solve -160*r - 1931*r + 741*r - 1524*r = -137952 for r.

A: 48

Q: Solve:
Solve 2802*o = -1493*o - 80268 - 141259 - 87713 for o.

A:
-72