Q: Solve:
Solve -25*y - 28*y = -774 - 392 for y.

A: 22

Q: Solve:
Solve 1591*d - 7683*d - 9831*d = -1369378 for d.

A: 86

Q: Solve:
Solve -328*n = 7645 + 1211 for n.

A:
-27