Solve -256 = -12*l - 112 for l.
Solve this plz.

A: 12

Solve 67*a + 275 = 12*a for a.
Solve this plz.

A: -5

Solve -1734*f + 3460*f = 1749*f - 46 for f.
Solve this plz.

A:
2