Question: What is the solution?

Solve 3*x = 23*x + 20 for x.

Answer: -1

Question: What is the solution?

Solve 0 = 408*m + 1832*m - 94080 for m.

Answer: 42

Question: What is the solution?

Solve -70 + 0 = -14*p for p.

Answer: 5

Question: What is the solution?

Solve 3159*k = 3227*k - 1836 for k.

Answer:
27