Solve z - 4 = -8 for z.
Solve this plz.

A: -4

Solve 1567*d - 9776 = 205*d + 22912 for d.
Solve this plz.

A: 24

Solve 1643*n = 581*n - 61*n - 2034*n + 59983 for n.
Solve this plz.

A:
19