Q: Solve -131365*f = -131326*f for f.

A: 0

Q: Solve -10650 = -623*i + 268*i for i.

A: 30

Q: Solve -451*p - 841*p = 372*p - 120*p + 1544 for p.

A: -1

Q: Solve -199*q + q = 292*q - 15680 for q.

A:
32