Q: What is the solution?
Solve 4*i = -4*i - 40 for i.

A: -5

Q: What is the solution?
Solve 0 = -f + 8 - 5 for f.

A: 3

Q: What is the solution?
Solve -44*i + 41*i + 3 = -0 for i.

A:
1