Question: What is the solution?

Solve -17 = 78*k - 88*k - 7 for k.

Answer: 1

Question: What is the solution?

Solve 20972 = -487*o + 17028 - 35503 for o.

Answer: -81

Question: What is the solution?

Solve -1396*s - 270 - 6762 = 948*s for s.

Answer: -3

Question: What is the solution?

Solve -149*k - 3614 + 11446 = 165*k + 924 for k.

Answer:
22