Question: What is the solution?

Solve -10069 = -2180*r + 64700 - 649 for r.

Answer: 34

Question: What is the solution?

Solve 34*p - 49 = 41*p for p.

Answer: -7

Question: What is the solution?

Solve 115*p + 3696 = -116*p for p.

Answer: -16

Question: What is the solution?

Solve -105*m = -403 - 282 + 475 for m.

Answer:
2