Q: Solve:
Solve 15 = -5*m + 8*m for m.

A: 5

Q: Solve:
Solve 21797 + 33827 = 3761*i - 38401 for i.

A: 25

Q: Solve:
Solve 791 = -90*n + 18 - 757 for n.

A:
-17