Q: Solve:
Solve 0 = 175*f - 345*f + 180*f + 260 for f.

A: -26

Q: Solve:
Solve 2448 = -29*q - 21*q + q - 2*q for q.

A: -48

Q: Solve:
Solve 41*v - 183*v - 47*v - 2525 = 1822 for v.

A:
-23