Q: Solve:
Solve -27398*q + 168 = -27374*q for q.

A: 7

Q: Solve:
Solve 0 = 2*b - 18*b + 816 - 976 for b.

A: -10

Q: Solve:
Solve -489*n + 3159 = -3198 for n.

A:
13