Q: What is the solution?
Solve 31269*m = 31464*m - 10920 for m.

A: 56

Q: What is the solution?
Solve 5362 + 9955 = -162*a + 2091*a - 5902 for a.

A: 11

Q: What is the solution?
Solve 24*r - 7 + 55 = 0 for r.

A:
-2