Q: Solve:
Solve -14*x - 5295 + 5421 = 0 for x.

A: 9

Q: Solve:
Solve 1630 + 7834 = -1636*u + 1454*u for u.

A: -52

Q: Solve:
Solve 75*b = 82*b + 21 for b.

A:
-3