Question: What is the solution?

Solve -14192*r + 1287792 - 436272 = 0 for r.

Answer: 60

Question: What is the solution?

Solve -27*b = -38*b for b.

Answer: 0

Question: What is the solution?

Solve 0 = -165*p + 69*p + 130*p + 102 for p.

Answer: -3

Question: What is the solution?

Solve 209*p + 1704 + 12282 = -124*p for p.

Answer:
-42