Q: What is the solution?
Solve 0 = -13*i + 49*i - 216 for i.

A: 6

Q: What is the solution?
Solve 149*t + 87*t + 991 = 352*t - 5157 for t.

A: 53

Q: What is the solution?
Solve 1593*v + 1551 = 3120*v - 1574*v for v.

A:
-33