Question: What is the solution?

Solve -18073 = 1562*p + 81*p for p.

Answer: -11

Question: What is the solution?

Solve 13*i + 9 = 16*i for i.

Answer: 3

Question: What is the solution?

Solve 485 - 269 = 36*r for r.

Answer: 6

Question: What is the solution?

Solve -162*n + 172*n = 30 for n.

Answer:
3