Q: What is the solution?
Solve 10*f + 128 = 28 for f.

A: -10

Q: What is the solution?
Solve -185*j - 2162 + 3318 + 5134 = 0 for j.

A: 34

Q: What is the solution?
Solve -19*w + 18 = -13*w for w.

A:
3