Q: Solve -744*s + 191345 = -139*s + 2367*s + 933*s for s.

A: 49

Q: Solve 72*w - 1826 + 801 = -809 for w.

A: 3

Q: Solve 3*r - 12 = -9 for r.

A: 1

Q: Solve -198269*u = -198729*u - 12420 for u.

A:
-27