Question: What is the solution?

Solve 472*n - 12520 = 785*n for n.

Answer: -40

Question: What is the solution?

Solve -2*m - 13*m - 45 = 0 for m.

Answer: -3

Question: What is the solution?

Solve 356*m + 12014 = 2046 for m.

Answer: -28

Question: What is the solution?

Solve -117 = 66*x - 342 - 765 for x.

Answer:
15