Q: What is the solution?
Solve 13917*u + 164 = 13958*u for u.

A: 4

Q: What is the solution?
Solve -998 = 13*m - 1037 for m.

A: 3

Q: What is the solution?
Solve 0 = 45*k + 65 - 181 - 109 for k.

A:
5