Q: Solve 16 = -9*v + v for v.

A: -2

Q: Solve -25*j - 9*j = -68 for j.

A: 2

Q: Solve -6*b = -15*b + 27 for b.

A: 3

Q: Solve -29 + 10 + 13 = 3*f for f.

A:
-2