Q: What is the solution?
Solve -12539 = -183*k + 1286 - 1381 for k.

A: 68

Q: What is the solution?
Solve -69464 = -16*w - 69800 for w.

A: -21

Q: What is the solution?
Solve 0 = 39*w - 38*w - 5 for w.

A:
5