Q: Solve:
Solve 786*w + 4072 = -417*w - 6755 for w.

A: -9

Q: Solve:
Solve 472*b - 1399*b + 312 = 30970 + 860 for b.

A: -34

Q: Solve:
Solve 30*q + 100 = 5*q for q.

A:
-4