Q: What is the solution?
Solve 7*f = -224 + 433 - 160 for f.

A: 7

Q: What is the solution?
Solve -191*k + 205*k + 14 = 0 for k.

A: -1

Q: What is the solution?
Solve 5*x - 3*x = -6 for x.

A:
-3