Q: Solve -2 - 16 = 9*b for b.

A: -2

Q: Solve 10 = 4*u - 6*u for u.

A: -5

Q: Solve 2587*z + 210 = 2601*z for z.

A: 15

Q: Solve -1194*s - 6 = -1192*s for s.

A:
-3