Q: Solve 1 = -2*b - 3 for b.

A: -2

Q: Solve 0 = -5*i - 32 + 7 for i.

A: -5

Q: Solve o - 400 = -403 for o.

A: -3

Q: Solve -2043*z + 13881 = -1996*z + 4580*z for z.

A:
3