Q: What is the solution?
Solve -299*j - 892*j + 8408 = -188*j + 3393 for j.

A: 5

Q: What is the solution?
Solve 428*r + 5897 = -237*r - 2979 + 231 for r.

A: -13

Q: What is the solution?
Solve 59*f + 217 = 394 for f.

A:
3