Q: Solve:
Solve -35*q + 39*q = -16 for q.

A: -4

Q: Solve:
Solve 56 = 43*m - 35*m for m.

A: 7

Q: Solve:
Solve -119*i - 8544 = 29*i - 23*i + 53*i for i.

A:
-48