Q: What is the solution?
Solve 3408*o - 3401*o + 35 = 0 for o.

A: -5

Q: What is the solution?
Solve 9 - 7 + 6 = 4*w for w.

A: 2

Q: What is the solution?
Solve 58*k - 7*k + 153 = 0 for k.

A:
-3