Q: What is the solution?
Solve 597 + 459 - 813 = 9*r for r.

A: 27

Q: What is the solution?
Solve -85*i + 15 = -76 - 79 for i.

A: 2

Q: What is the solution?
Solve 327*w - 66 - 1119 + 2634 = -1821 for w.

A:
-10