Q: Solve:
Solve 42591 + 42986 = 1613*k + 19444 for k.

A: 41

Q: Solve:
Solve -159*o = -285 + 2829 for o.

A: -16

Q: Solve:
Solve 241 = 162*a - 102*a + 181*a for a.

A:
1