Q: Solve:
Solve -205*o + 200*o = -15 for o.

A: 3

Q: Solve:
Solve 159*k + 1169 + 273 = -2215 for k.

A: -23

Q: Solve:
Solve 189 = -132*x - 43*x - 336 for x.

A:
-3