Q: Solve:
Solve -1728*n + 4250 = -1643*n for n.

A: 50

Q: Solve:
Solve 300 - 48 + 93 = -345*t for t.

A: -1

Q: Solve:
Solve -4*q + 5*q + 4 = 0 for q.

A:
-4