Question: What is the solution?

Solve 456 = 810698*m - 810660*m for m.

Answer: 12

Question: What is the solution?

Solve 0 = 11*k - 2 - 42 for k.

Answer: 4

Question: What is the solution?

Solve 0 = -46560*f + 46458*f + 2856 for f.

Answer: 28

Question: What is the solution?

Solve -81*c - 380400 = -382830 for c.

Answer:
30