Q: What is the solution?
Solve -61*i + 25*i + 56 = 596 for i.

A: -15

Q: What is the solution?
Solve 5988 + 15945 = 374*i + 1887 - 13614 for i.

A: 90

Q: What is the solution?
Solve 5 = 7*i - 12*i for i.

A:
-1