Q: What is the solution?
Solve 13 = -34*k + 38 - 25 for k.

A: 0

Q: What is the solution?
Solve -14*s - 2*s + 63 = 287 for s.

A: -14

Q: What is the solution?
Solve -242 = 40*d + 65*d + 1333 for d.

A:
-15