Q: Solve:
Solve 64*w - 623 = -187 + 844 for w.

A: 20

Q: Solve:
Solve 0 = -19*q - 7114 + 6772 for q.

A: -18

Q: Solve:
Solve 0 = 69*q - 49 + 491 + 110 for q.

A:
-8