Question: What is the solution?

Solve -55 = 23*b - 9 for b.

Answer: -2

Question: What is the solution?

Solve 0 = -217*o - 488*o + 742 + 5073 + 13925 for o.

Answer: 28

Question: What is the solution?

Solve 1712 - 140 = 131*b for b.

Answer: 12

Question: What is the solution?

Solve -7385 = 781*b + 1206 for b.

Answer:
-11