Q: What is the solution?
Solve 0 = 26*z + 56*z - 410 for z.

A: 5

Q: What is the solution?
Solve 404*r + 87 = -1125 for r.

A: -3

Q: What is the solution?
Solve -18*z + 413 = -764 + 97 for z.

A:
60