Q: What is the solution?
Solve 78 = 31*c - 10*c + 288 for c.

A: -10

Q: What is the solution?
Solve 39*q - 25*q = -126 for q.

A: -9

Q: What is the solution?
Solve 124*t - 180*t - 872*t = -33865 - 11607 for t.

A:
49