Q: What is the solution?
Solve 2*q = 972 - 990 for q.

A: -9

Q: What is the solution?
Solve 568*i + 2250*i - 95821 = -273*i for i.

A: 31

Q: What is the solution?
Solve 1618*b - 1658*b = -120 for b.

A:
3