Solve -3831 = -18*l - 4083 for l.
Solve this plz.

A: -14

Solve 37*d - 1524 = 213*d - 964 + 1728 for d.
Solve this plz.

A: -13

Solve -81*t + 190*t - 872 = 0 for t.
Solve this plz.

A:
8