Q: What is the solution?
Solve -18*z + 989 = 1115 for z.

A: -7

Q: What is the solution?
Solve 254*n + 600 = -289*n + 567*n for n.

A: 25

Q: What is the solution?
Solve -35*z - 30 - 355 - 892 = 718 for z.

A:
-57