Q: What is the solution?
Solve 18*q + 20*q - 958 - 885 = 551 for q.

A: 63

Q: What is the solution?
Solve -296*o = -380 - 4060 for o.

A: 15

Q: What is the solution?
Solve 129*i = -1005 + 2811 for i.

A:
14