Q: Solve:
Solve 615*o + 491*o + 391986 = -869*o - 1319*o for o.

A: -119

Q: Solve:
Solve -3123859*n = -3123883*n - 1608 for n.

A: -67

Q: Solve:
Solve -23908*d - 390 - 538 = -23937*d for d.

A:
32