Q: What is the solution?
Solve 52839 = -1261*h - 1011 + 9715 for h.

A: -35

Q: What is the solution?
Solve 1381*o - 1287*o = 2820 for o.

A: 30

Q: What is the solution?
Solve 30*r + 71*r - 2160 = -259*r for r.

A:
6