Q: What is the solution?
Solve 840 = -3273*u + 51057 + 63619 + 66179 for u.

A: 55

Q: What is the solution?
Solve -547 - 544 = -6*r - 989 for r.

A: 17

Q: What is the solution?
Solve 1916*x - 35468 - 14348 = 0 for x.

A:
26