Q: What is the solution?
Solve 196*m - 115*m - 13986 = -585*m for m.

A: 21

Q: What is the solution?
Solve 71*k - 92*k - 30 = 278 + 532 for k.

A: -40

Q: What is the solution?
Solve 26*c + 138 = 34 for c.

A:
-4