Question: What is the solution?

Solve 77 + 32 = 11*b - 67 for b.

Answer: 16

Question: What is the solution?

Solve 0 = -17*s - 327 - 309 + 92 for s.

Answer: -32

Question: What is the solution?

Solve -644*p = -637*p - 28 for p.

Answer: 4

Question: What is the solution?

Solve -115*c = -86*c - 122*c - 645*c + 40590 for c.

Answer:
55