Question: What is the solution?

Solve -84*c + 111*c + 2 + 79 = 0 for c.

Answer: -3

Question: What is the solution?

Solve 40 = 6670*f - 6674*f for f.

Answer: -10

Question: What is the solution?

Solve -52223 = -3498*f - 188645 for f.

Answer: -39

Question: What is the solution?

Solve 33*m = -40*m + m + 72 for m.

Answer:
1