Q: What is the solution?
Solve -22*k + 54 - 142 = 0 for k.

A: -4

Q: What is the solution?
Solve -1180*s = 3820*s + 599*s + 302346 for s.

A: -54

Q: What is the solution?
Solve -11*d = -18*d - 21 for d.

A:
-3