Q: Solve 6206*f - 12631 = 880*f - 33935 for f.

A: -4

Q: Solve 1039*v - 2488*v = 2769*v - 59052 for v.

A: 14

Q: Solve -22541 - 50809 = -1630*r for r.

A: 45

Q: Solve 123*a - 165 = 209*a - 91*a for a.

A:
33