Q: What is the solution?
Solve -166*x + 20 = -162*x for x.

A: 5

Q: What is the solution?
Solve 0 = 1090*x - 987*x + 1957 for x.

A: -19

Q: What is the solution?
Solve 48 = -70*k + 54*k for k.

A:
-3