Q: What is the solution?
Solve 0 = -9*n + 30 - 48 for n.

A: -2

Q: What is the solution?
Solve 6*m = -165*m + 7866 for m.

A: 46

Q: What is the solution?
Solve 7*u = -4*u + 15*u - 16 for u.

A:
4