Question: What is the solution?

Solve 5*w + 299*w = -31*w + 4020 for w.

Answer: 12

Question: What is the solution?

Solve 0 = -16360*o + 8177*o + 8172*o + 605 for o.

Answer: 55

Question: What is the solution?

Solve -28 = 2*s - 38 for s.

Answer: 5

Question: What is the solution?

Solve 5*f = 43*f - 815 + 2373 for f.

Answer:
-41