Solve 99*p = -156*p + 29766 - 38181 for p.
Solve this plz.

A: -33

Solve 201*f - 28 = 229*f for f.
Solve this plz.

A: -1

Solve -951*r + 8398 + 1979 = -22908 for r.
Solve this plz.

A:
35