Solve -16 = 4*n + 4 for n.
Solve this plz.

A: -5

Solve 20*l + 23*l - 281 = -1055 for l.
Solve this plz.

A: -18

Solve 0 = 4*w + 25 - 9 for w.
Solve this plz.

A:
-4