Q: Solve:
Solve 55*c + 2156 = -285*c - 5324 for c.

A: -22

Q: Solve:
Solve 129*i - 59*i + 7111 = -85*i - 9939 for i.

A: -110

Q: Solve:
Solve -21*q + 22 = 421 for q.

A:
-19