Question:
Solve 0 = -500*f - 181*f + 5448 for f..

Answer:
8

Question:
Solve -k = 16*k + 68 for k..

Answer:
-4

Question:
Solve -1527*y + 33 = -1524*y for y..

Answer:
11

Question:
Solve -68*o = 22*o + 17*o - 963 for o..

Answer:
9