Q: What is the solution?
Solve 27*f + 6308 = 5903 for f.

A: -15

Q: What is the solution?
Solve 2*u = -49 + 61 for u.

A: 6

Q: What is the solution?
Solve -3718*r - 94831 = 4903*r for r.

A:
-11