Q: What is the solution?
Solve 689*y = 154*y - 1364*y - 125334 for y.

A: -66

Q: What is the solution?
Solve -27*k = 2*k + 5*k for k.

A: 0

Q: What is the solution?
Solve -33874*c + 34011*c - 2150 = 1549 for c.

A:
27