Q: What is the solution?
Solve 0 = -23*k + 21723 - 22137 for k.

A: -18

Q: What is the solution?
Solve 207*r - 4335 - 202 - 4212 = 1601 for r.

A: 50

Q: What is the solution?
Solve -1079*m + 217*m - 2432 = -8466 for m.

A:
7