Q: What is the solution?
Solve -45*q = 491*q + 7000 - 568 for q.

A: -12

Q: What is the solution?
Solve 0 = -999*x + 1012*x - 78 for x.

A: 6

Q: What is the solution?
Solve -69*w = -74*w - 10 for w.

A:
-2