Q: What is the solution?
Solve -219*u + 122*u + 799*u - 6429 = 1293 for u.

A: 11

Q: What is the solution?
Solve 0 = 142109*l - 141879*l + 8164 + 3796 for l.

A: -52

Q: What is the solution?
Solve 9320 = -26*t - 2172*t - 85194 for t.

A:
-43