Q: Solve:
Solve -1689*f + 1696*f - 14 = 0 for f.

A: 2

Q: Solve:
Solve 0 = -28*v + 36*v + 24 for v.

A: -3

Q: Solve:
Solve -29*x + 161 = -48*x - 58*x - 70 for x.

A:
-3