Q: What is the solution?
Solve -f + 14 = 6*f for f.

A: 2

Q: What is the solution?
Solve 119 = 14*u - 12 - 79 for u.

A: 15

Q: What is the solution?
Solve 0 = -434*d + 2267*d + 3099 - 39759 for d.

A:
20