Q: Solve 749659*q = 749436*q - 16725 for q.

A: -75

Q: Solve -272*x + 18410 = 542*x + 46053 + 24453 for x.

A: -64

Q: Solve -63*r = -67*r for r.

A: 0

Q: Solve 0 = -56*q + 53*q for q.

A:
0