Solve 181760 + 133624 = 657*l + 1662*l for l.
Solve this plz.

A: 136

Solve 995*l - 52071 = 285*l - 311*l for l.
Solve this plz.

A: 51

Solve -506*z + 505*z - 4 = 0 for z.
Solve this plz.

A:
-4