Question: What is the solution?

Solve -260*m + 263*m - 6 = 0 for m.

Answer: 2

Question: What is the solution?

Solve 598*d + 5210 + 2749 = 977*d for d.

Answer: 21

Question: What is the solution?

Solve -31*k + 28*k - 3 = 0 for k.

Answer: -1

Question: What is the solution?

Solve 778*k - 727*k = 255 for k.

Answer:
5