Q: What is the solution?
Solve 115*j = -1422 - 3638 for j.

A: -44

Q: What is the solution?
Solve 3238*z - 3271*z - 231 = 0 for z.

A: -7

Q: What is the solution?
Solve 0 = -7*k - 4*k + 55 for k.

A:
5