Solve 11814*f - 11813*f = -11 for f.
Solve this plz.

A: -11

Solve 0 = -2874*w + 797*w + 166160 for w.
Solve this plz.

A: 80

Solve -37*d + 333 + 123 = 12 for d.
Solve this plz.

A:
12