Q: What is the solution?
Solve -18*x = -3*x for x.

A: 0

Q: What is the solution?
Solve -2613*i + 6757*i - 40874 = 271575 + 101951 for i.

A: 100

Q: What is the solution?
Solve -388 + 2045 = 40*a + 331*a - 2795 for a.

A:
12