Q: What is the solution?
Solve 0 = 215*i + 499374 - 477229 for i.

A: -103

Q: What is the solution?
Solve p - 41*p = -16*p + 144 for p.

A: -6

Q: What is the solution?
Solve 103*o - 120 = 127*o for o.

A:
-5