Question: What is the solution?

Solve 24*a + 81 - 153 = 0 for a.

Answer: 3

Question: What is the solution?

Solve 147260*m - 147240*m = -120 for m.

Answer: -6

Question: What is the solution?

Solve -1221*u + 504*u + 413*u + 912 = 0 for u.

Answer: 3

Question: What is the solution?

Solve -21824*n + 20938*n + 19492 = 0 for n.

Answer:
22