Q: Solve 20672 = 439*q + 2673 for q.

A: 41

Q: Solve -63*f + 8 + 42 = 365 for f.

A: -5

Q: Solve 18*n - 16*n = 65*n + 1575 for n.

A: -25

Q: Solve -10*v - 49 + 9 = 0 for v.

A:
-4