Q: What is the solution?
Solve 4933 = -7149*u + 7043*u - 1745 for u.

A: -63

Q: What is the solution?
Solve 30*q - 28*q + 16 = 0 for q.

A: -8

Q: What is the solution?
Solve -121*o = -14*o - 642 for o.

A:
6