Q: Solve:
Solve 18*q - 3274 + 3958 = 0 for q.

A: -38

Q: Solve:
Solve -70*a - 295 - 247 = -122 for a.

A: -6

Q: Solve:
Solve 1138*u - 245*u = -1449*u - 16418 + 24 for u.

A:
-7